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Track prices & price history on any online shop, with alerts and an API
About
Track prices & price history on any online shop, with alerts and an API
Remote endpoints: streamable-http: https://mcp.pricewatcha.com
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Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
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How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-pricewatcha-pricewatcha": {
"url": "https://mcp.pricewatcha.com"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Pricewatcha API
The Pricewatcha API is the Structured Product Price Intelligence Platform for developers, automation and AI Agents.
The Pricewatcha API derives from the pricewatcha.com application. It provides price tracking, alerts and product intelligence beyond the Pricewatcha dashboard. This repository documents the public HTTP API, OpenAPI schema, official SDKs, MCP server and examples. It does not contain the production web application or scrapers.
Status: Available · Version: v1 · Base URL: https://pricewatcha.com/api/v1
Interactive API keys (browser): Developer page
Optional: verify connectivity with GET https://pricewatcha.com/api/v1/health. Then pick one of the three paths below.
Quickstart
Path 1: Browse prices (no auth)
Use demo product IDs from the demo catalog or search the catalog:
curl -s "https://pricewatcha.com/api/v1/products/demo_iphone_15_pro"
curl -s "https://pricewatcha.com/api/v1/search?q=iphone+15&limit=10"
Search is case-insensitive token AND (all terms must appear; word order does not matter). Results include the full Pricewatcha catalog, not only URLs submitted via POST /track. Use product_id from search for product and price-history endpoints (prod_* or demo_*).
Path 2: Track a product and get price history
curl -s -X POST "https://pricewatcha.com/api/v1/track" \
-H "Content-Type: application/json" \
-d '{"url": "https://www.backmarket.de/de-de/p/example-product"}'
curl -s "https://pricewatcha.com/api/v1/products/{productId}/price-history"
POST /track returns HTTP 200 with a bounded server-side long-poll (~25s). Use product_id from the response for price history. Optional: send Authorization: Bearer pwk_live_… for higher track, search and product-read quotas.
Fast shops return status: "completed" with the full product in one call. Slow shops return status: "running" with a job_id. Poll GET https://pricewatcha.com/api/v1/jobs/{jobId} until the job is completed or failed. More detail: Async track & poll.
Path 3: Price alert with webhook (API key required)
Create a key on the Developer page, then:
curl -s -X POST "https://pricewatcha.com/api/v1/alerts" \
-H "Authorization: Bearer pwk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"product_id": "prod_a1b2c3d4e5",
"notify_on_drop": true,
"min_threshold_price": 500.00,
"webhook_url": "https://your-n8n-instance.com/webhook/abc",
"notify_email": true
}'
For authentication and data boundaries, see Authentication and Data boundaries.
Authentication
No credential required for catalog search, product detail, price history and async track/poll. Without a key those endpoints use anonymous rate limits. Send an API key to use the higher per-account track, search and product-read quotas.
Protected API v1 endpoints (alerts, webhooks, authenticated track callbacks) use:
Authorization: Bearer pwk_live_…
| Credential | Format | When to use |
|---|---|---|
| API key | pwk_live_… | Recommended for scripts, agents, n8n and server integrations. Create on the Developer page. |
| Login session token | JWT from POST https://pricewatcha.com/api/auth/login | Website UI and headless key bootstrap only |
Do not use the login session token for alerts, webhooks or other API v1 calls once you have an API key.
See Access model for which routes are public vs authenticated.
API keys (browser)
Log in on the Developer page to create and manage API keys in your browser. The full secret is shown once at creation.
For agents without a browser, use headless key bootstrap below.
Using your key on protected endpoints:
curl -s -X POST "https://pricewatcha.com/api/v1/alerts" \
-H "Authorization: Bearer pwk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"product_id": "prod_a1b2c3d4e5", "notify_on_drop": true}'
Headless key bootstrap (for agents)
If an agent must obtain API credentials without a browser, authenticate once with the same email and password as on the website, create an API key, then use pwk_live_… for all further calls. This is not a separate agent login: it is the normal Pricewatcha account login exposed as an HTTP endpoint.
How login via API works
POST https://pricewatcha.com/api/auth/login accepts JSON email and password and returns a short-lived access_token (login session token). The Developer page login modal calls the same endpoint; in a script or agent you call it directly with curl or your HTTP client.
- You need an existing account (register on the site or via
POST https://pricewatcha.com/api/auth/register). - The email must be verified: otherwise the API returns 403.
- Wrong credentials return 401.
- Use
access_tokenonly to create keys; for alerts and webhooks use thepwk_live_…key from step 2.
Step 1: Login
curl -s -X POST "https://pricewatcha.com/api/auth/login" \
-H "Content-Type: application/json" \
-d '{"email": "you@example.com", "password": "YOUR_PASSWORD"}'
Response (HTTP 200), AuthResponse:
access_token(string): login session token (JWT)token_type(string): always"bearer"user(object):id(string, UUID),email(string),email_verified(boolean)
{
"access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
"token_type": "bearer",
"user": {
"id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"email": "you@example.com",
"email_verified": true
}
}
Send the token as Authorization: Bearer <access_token> in step 2. Session tokens expire; do not store them as the long-term credential for an agent.
Step 2: Create API key
curl -s -X POST "https://pricewatcha.com/api/keys" \
-H "Authorization: Bearer ACCESS_TOKEN_FROM_STEP_1" \
-H "Content-Type: application/json" \
-d '{"name": "agent bootstrap"}'
Response (HTTP 200), CreateApiKeyResponse:
id(integer): key IDname(string): label from the requestkey_prefix(string): first 12 characters of the key (for display)key(string): full secret; returned only on create, not on listis_active(boolean)created_at(string, ISO 8601 datetime)last_used_at(string ornull)revoked_at(string ornull)
{
"id": 42,
"name": "agent bootstrap",
"key_prefix": "pwk_live_ab",
"key": "pwk_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"is_active": true,
"created_at": "2026-05-27T14:30:00.123456",
"last_used_at": null,
"revoked_at": null
}
Store key securely. Use it on alerts, webhooks and other protected API v1 endpoints, not the session token from step 1.
API endpoints (overview)
| Method | Path | Auth | Description |
|---|---|---|---|
GET | /api/v1/health | - | Health check |
GET | /api/v1 | - | Discovery and disclaimer |
POST | /api/v1/track | - | URL ingestion (long-poll) |
GET | /api/v1/jobs/{jobId} | - | Job status |
GET | /api/v1/products/{productId} | - | Product intelligence |
GET | /api/v1/products/{productId}/price-history | - | History and trend |
GET | /api/v1/search?q= | - | Keyword search (limit max 200) |
GET | /api/v1/openapi.json | - | Live OpenAPI 3.1 |
POST | /api/auth/login | - | Login (short-lived session token) |
POST | /api/keys | Session token | Create API key |
GET / DELETE | /api/keys … | Session token or key | List / revoke keys |
* | /api/v1/alerts … | API key | Price alerts |
* | /api/v1/webhooks … | API key | Webhook subscriptions |
Machine-readable contract: openapi/openapi.yaml · Live: GET https://pricewatcha.com/api/v1/openapi.json
Rate limits
Current limits (indicative)
The following limits apply and may change without notice.
| Class | Endpoint | Anonymous | Authenticated (API key) |
|---|---|---|---|
| Track (concurrent) | POST /track | ~2 in-flight jobs | ~4 in-flight jobs |
| Track (burst) | POST /track | ~10 jobs / 60s | ~20 jobs / 60s |
| Track (hourly) | POST /track | ~40 jobs / hour | ~120 jobs / hour |
| Track (daily) | POST /track | ~80 jobs / day | ~400 jobs / day |
| Job poll | GET /jobs/{id} | ~40 req/min per client | same |
| Search (burst) | GET /search | ~20 req / 60s | ~40 req / 60s |
| Search (hourly) | GET /search | ~60 req / hour | ~180 req / hour |
| Search (daily) | GET /search | ~200 req / day | ~1000 req / day |
| Read (burst) | /products, /price-history | ~60–120 req/min per client | ~240 req / 60s |
| Read (hourly) | /products, /price-history | ~180 req / hour | ~540 req / hour |
| Read (daily) | /products, /price-history | ~600 req / day | ~3000 req / day |
| Health | /health and / | Unlimited | Unlimited |
Send Authorization: Bearer pwk_live_… on POST /track, GET /search, or product reads to use the authenticated tier. Those endpoints remain available without a key at the anonymous limits.
Client identity: anonymous limits are keyed by client IP. Behind Cloudflare the API prefers
CF-Connecting-IPoverX-Forwarded-Forso edge proxy IPs are not treated as distinct clients. The hosted MCP server forwards a stableX-Pricewatcha-Client-Id(OAuth token hash, else connecting-IP hash) with a shared proxy secret so MCP callers are not all bucketed under one egress IP. Authenticated track, search and product-read quotas are keyed by account (owner_id), not IP.
Monitor
X-RateLimit-Remainingand honor429with exponential backoff.X-RateLimit-Policynames which window the headers refer to (track,track_hourly,track_daily,track_concurrent,job_read,search,search_hourly,search_daily,read,read_hourly, orread_daily).
Track quotas are counted from persisted jobs (api_track_jobs by client key or account), so they apply across multiple app instances. A long-poll that holds the HTTP connection for ~25s still counts as one track job when created — sequential tracks spaced farther apart than 60s will not trip the burst window, but hourly/daily and concurrent caps still apply.
Agents should prefer: start track → poll GET /jobs/{id} with backoff (not every 1–2s) → read product/history once complete. Retrying POST /track with the same URL while that job is still queued/processing reuses the existing job and does not consume another concurrent slot. Jobs left queued/processing longer than the scrape timeout (default 600s) are failed so slots cannot leak across deploys.
Search and product-read quotas are in-memory per app instance (not shared across Railway replicas the way track jobs are). Authenticated callers still get the higher per-account windows. Polling the same catalog queries on a short interval will still trip the hourly/daily search windows.
Exact numbers may change without notice (env overrides: API_V1_TRACK_*, API_V1_TRACK_AUTH_*, API_V1_JOB_READ_*, API_V1_READ_*, API_V1_READ_AUTH_*, API_V1_SEARCH_*, API_V1_SEARCH_AUTH_*).
Headers
When rate limiting is active, responses may include:
| Header | Description |
|---|---|
X-RateLimit-Limit | Maximum requests in the window |
X-RateLimit-Remaining | Requests left in the window |
X-RateLimit-Reset | Unix timestamp when the window resets |
X-RateLimit-Policy | Which window the headers describe |
HTTP 429
When limited, the API returns 429 Too Many Requests with a JSON body:
{
"error": {
"code": "rate_limited",
"message": "Rate limit exceeded (track daily). Try again later.",
"http_status": 429,
"retry_recommended": true,
"retry_after_seconds": 3600
}
}
Agent guidance: honor 429, wait until retry_after_seconds / X-RateLimit-Reset, and reduce poll frequency on job status endpoints. Prefer spreading tracks over time rather than bursting near the hourly/daily caps. Anonymous 429 responses mention that an API key raises quotas.
Operators can receive an email when hourly/daily/concurrent track limits or hourly/daily search and product-read limits trip (cooldown per client; see API_V1_RATE_LIMIT_ALERT_*).
Abuse and IP restrictions
Sustained abuse of anonymous daily quotas (track, search, or product reads — for example exhausting the daily limit on several days from the same IP) may trigger an in-app restriction, not only 429.
- Notice (grace period). API calls still succeed. Responses include
X-Pricewatcha-Restriction: noticeandX-Pricewatcha-Restriction-Messagewith the pending-block warning. Rate limits still apply. - Block. If there is no reply, the IP is blocked. Further calls return HTTP
403witherror.codeaccess_restricted.
Email info@pricewatcha.com to discuss terms or restore access. Do not retry until access is restored. Retries will not lift the restriction.
Async track and poll
POST /api/v1/track submits a product URL and waits up to ~25 seconds (long-poll). No API key is required. Send Authorization: Bearer pwk_live_… to use higher per-account track quotas.
- Fast shops:
status: "completed"with fullproductin the same response - Slow shops:
status: "running"+job_id: pollGET /api/v1/jobs/{jobId}untilcompletedorfailed - Repeat
POST /trackfor the same URL while a job is in flight returns that job instead of starting another (and instead of a concurrent 429)
Jobs are retained for 72 hours. After expiry, GET /jobs/{jobId} returns 404: use GET /products/{productId} instead.
Typical flows
Fast shop (one call)
POST /api/v1/track → { "status": "completed", "product": { ... } }
Slow shop
POST /api/v1/track → { "status": "running", "job_id": "job_xxx", "hint": "..." }
GET /api/v1/jobs/{jobId} → poll until terminal state
GET /api/v1/products/{productId} and .../price-history
Track a product
curl -s -X POST "https://pricewatcha.com/api/v1/track" \
-H "Content-Type: application/json" \
-d '{"url": "https://www.backmarket.de/de-de/p/example-product"}'
Response (200) when the scrape completes within the long-poll window:
{
"job_id": "job_xxxxxxxx",
"status": "completed",
"product": {
"product_id": "prod_xxxxxxxx",
"name": "Example product",
"shop": "Back Market",
"current_price": 563,
"currency": "EUR"
},
"error": null
}
Response (200) when still running after the long-poll timeout:
{
"job_id": "job_xxxxxxxx",
"status": "running",
"product": null,
"error": null,
"hint": "Job still running. Call the get_job_status tool with this job_id to poll for the result."
}
Poll job status
curl -s "https://pricewatcha.com/api/v1/jobs/job_xxxxxxxx"
Completed response
{
"job_id": "job_xxxxxxxx",
"status": "completed",
"product": {
"product_id": "prod_xxxxxxxx",
"name": "Example product",
"shop": "Back Market",
"current_price": 563,
"currency": "EUR"
}
}
Job states
| Status | Meaning |
|---|---|
queued | Job accepted, waiting to start |
running | Ingestion in progress |
completed | Product intelligence in product |
failed | Scrape failed: read structured error (HTTP 200 job lookup) |
Recommended client flow
POST /trackwith{ "url": "..." }→ 200- If
runningorqueued, pollGET /jobs/{jobId}every 2–5 seconds - On
completed, readproductfrom the job orGET /products/{productId} - On
failed, surfaceerror.code; backoff before retrying
Job lookup vs. scrape failure
When polling GET /jobs/{jobId}, interpret HTTP status and body together:
| Response | Meaning | What to do |
|---|---|---|
| HTTP 404 | No job with this job_id (wrong ID or job expired after 72h) | Stop polling; start a new POST /track if you still need the product |
HTTP 200 with "status": "failed" | Job exists, but scraping failed | Read error.code in the JSON body (e.g. scrape_target_not_found) |
A 404 is a lookup problem. A 200 with failed is a completed job whose scrape did not succeed.
Track job webhooks (push)
Authenticated clients can receive a push when a track job finishes: use callback_url (one-off) or webhook_id (existing subscription). Mutually exclusive. Callbacks do not consume extra quota beyond the authenticated track job.
curl -s -X POST "https://pricewatcha.com/api/v1/track" \
-H "Authorization: Bearer pwk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"url": "https://www.backmarket.de/de-de/p/example-product",
"callback_url": "https://n8n.example.com/webhook/track-done"
}'
With callback_url, the track response may include callback_secret (whsec_…) once: same signing as subscription webhooks.
When the job finishes, Pricewatcha sends a webhook with event type track_job_completed or track_job_failed (same payload shape as other webhooks). If you do not use push delivery, you can still wait on POST /track (long-poll) or poll GET /jobs/{jobId} until the job reaches a terminal state.
Note: Anonymous
POST /trackwithcallback_urlorwebhook_idreturns400 auth_required_for_callback. MCP tools use track → poll (nocallback_urlin v1).
SDK convenience
Official Python and TypeScript SDKs may provide track_and_wait() / trackAndWait(): a helper that calls POST /track, then polls GET /jobs/{jobId} until the job is completed or failed and returns the result. The HTTP API stays async-first; the helper only saves you from writing the poll loop yourself. See SDKs.
Deduplication
Repeated POST /track for the same URL may return completed quickly with existing intelligence.
Timeouts
Long-poll default is ~25 seconds. For slow shops, poll GET /jobs/{jobId} instead of extending the track timeout.
Search
Keyword search is case-insensitive. The query is split into tokens; a product matches when every token appears in the normalized product name, URL, platform/shop or related fields. Word order does not matter, and punctuation such as hyphens and slashes is treated as whitespace (Darth-Vader matches Darth Vader). Results cover the full Pricewatcha catalog, not only URLs submitted via POST /track.
Exact contiguous phrases still rank above other token matches when both match.
Endpoint
GET https://pricewatcha.com/api/v1/search?q=…&limit=…
Optional limit: default 50, maximum 200. Applied after exclude-term filtering.
Search is rate-limited separately from product reads. Anonymous callers get ~20 requests / 60s, ~60 / hour, ~200 / day; an API key raises that to ~40 / 60s, ~180 / hour, ~1000 / day per account. Honor HTTP 429 and X-RateLimit-Policy; see Rate limits.
q supports Google-style minus-prefixed exclude terms. q=iPhone+15+-cover+-case returns products matching both "iPhone" and "15" that do not contain "cover" or "case" in the searchable fields (case-insensitive). A lone - is ignored.
curl -s "https://pricewatcha.com/api/v1/search?q=iphone&limit=10"
curl -s "https://pricewatcha.com/api/v1/search?q=iPhone+15+-cover+-case"
curl -s "https://pricewatcha.com/api/v1/search?q=Darth+Vader+DX27"
Example response
[
{
"product_id": "demo_iphone_15_pro",
"name": "Apple iPhone 15 Pro 128GB (Refurbished)",
"shop": "Back Market",
"product_url": "https://www.backmarket.de/de-de/p/example-iphone-15-pro",
"current_price": 563,
"currency": "EUR",
"status": "active",
"preview": true,
"google_product_category_id": null,
"google_product_category_name": null
},
{
"product_id": "prod_a1b2c3d4e5",
"name": "iPhone 15 Pro",
"shop": "Swappie",
"product_url": "https://swappie.com/de/p/iphone-15-pro/",
"current_price": 505,
"currency": "EUR",
"status": "active",
"google_product_category_id": null,
"google_product_category_name": null
}
]
Use product_url for direct linking without an extra GET /products/{id} call.
Results always include google_product_category_id and google_product_category_name (null when unset). You do not need an extra query parameter.
Demo catalog (no scrape required)
Preview demo products are always available for integration testing:
curl -s "https://pricewatcha.com/api/v1/products/demo_iphone_15_pro"
curl -s "https://pricewatcha.com/api/v1/products/demo_iphone_15_pro/price-history"
curl -s "https://pricewatcha.com/api/v1/search?q=iphone+15+pro"
See the demo catalog on GitHub.
Data boundaries
Catalog price intelligence (current price, history, product metadata) is available without authentication. User-specific data (accounts, emails, alert settings, private watchlists) is never exposed through the public API.
Readable fields
product_id, name, shop/platform, product URL- Current price, currency, last checked, status
- Price history, historical low/high, average, trend
data_sourceanddata_source_labelwhen price data comes directly from a merchant feed (merchant_feed→"Direct merchant data")google_product_category_idandgoogle_product_category_nameon product detail and search (null when unset). Search does not require an extra query parameter.- Demo entries may include
"preview": true
Search, product detail and price history return the same fields whether the product was added via dashboard, API, MCP or demo data.
Product IDs
| Prefix | Meaning |
|---|---|
demo_* | Static preview samples (e.g. demo_iphone_15_pro) |
prod_* | Opaque stable ID per catalog product (one per URL entity) |
Use product_id from search or a completed track job for GET /products/{productId} and .../price-history.
Webhook payloads
Deliveries include product-level event data only (prices, product IDs, event type), not user emails or account details. Verify authenticity with the subscription signing secret (whsec_...); see Webhooks.
Compliance
If you build on this API, disclose to your users that prices are informational and that merchant sites are authoritative.
Errors and error codes
Non-success responses use a structured error object. Inspect error.code: do not parse free-text message values.
Shape
{
"error": {
"code": "invalid_url_type",
"message": "url looks like a search or listing page (query parameter 'k')",
"http_status": 400,
"retry_recommended": false,
"retry_after_seconds": null
}
}
| Field | Description |
|---|---|
code | Stable machine identifier |
message | Human-readable detail (not for branching logic) |
http_status | HTTP status echoed in the body |
retry_recommended | Whether a retry may help |
retry_after_seconds | Hint when rate-limited (may be null) |
Public / track / catalog codes
| Code | Typical HTTP | When |
|---|---|---|
invalid_input_format | 400 | Malformed JSON or parameters |
invalid_url_type | 400 | URL is a search/listing page, unsupported shop, etc. |
job_not_found | 404 | Unknown or expired job_id (jobs expire after 72h) |
product_not_found | 404 | Unknown product_id |
scrape_target_not_found | 404 | Product page not found on the shop |
scrape_chain_exhausted | 502 | All scraper strategies failed |
scrape_timeout | 200 (job failed) | Track job exceeded the scrape timeout, or a queued/processing job was reaped after a worker loss |
rate_limited | 429 | Track/search/read quota exceeded: honor retry_after_seconds. Anonymous traffic is per client IP; API keys use higher per-account track, search and product-read quotas. |
access_restricted | 403 | The client IP is blocked after an abuse notice. Email info@pricewatcha.com. Do not retry until access is restored. During the earlier grace period the API still works and sends X-Pricewatcha-Restriction: notice. |
internal_error | 500 | Unexpected server error |
Authentication & API keys
| Code | Typical HTTP | When |
|---|---|---|
unauthenticated | 401 | Missing or invalid bearer token |
invalid_session_token | 401 | Expired or invalid login session (not an API key) |
invalid_api_key | 401 | Revoked or unknown API key |
api_key_limit_reached | 403 | Account key quota exceeded |
api_key_not_found | 404 | Key id not found |
Alerts & webhooks
| Code | Typical HTTP | When |
|---|---|---|
alert_already_exists | 409 | One alert per user per product: use PATCH |
alert_not_found | 404 | Unknown alert_id |
webhook_not_found | 404 | Unknown subscription |
webhook_limit_reached | 403 | Subscription quota exceeded |
auth_required_for_callback | 400 | callback_url / webhook_id on POST /track without auth |
callback_conflict | 400 | Both callback_url and webhook_id set |
invalid_callback_url | 400 | Callback URL not HTTPS or blocked target |
Agent guidance
- Branch on
error.code, notmessage. - When
retry_recommendedistrue, use exponential backoff and respectretry_after_seconds. - HTTP 200 on
GET /jobs/{jobId}withstatus: "failed"is a job failure, not a transport error.
Full schemas: live GET https://pricewatcha.com/api/v1/openapi.json and the OpenAPI spec on GitHub.
Price Alert API
Create price alerts that send email notifications and/or fire webhooks when a price moves.
Each tracked product has one alert record per user. Combine any of:
notify_on_drop: notify on any price drop (no threshold required)notify_on_rise: notify on any price increase (no threshold required)min_threshold_price: notify when price drops to or below this valuemax_threshold_price: notify when price rises to or above this value
At least one of those four settings is required.
All endpoints require an API key in Authorization: Bearer …. Full schemas: GET https://pricewatcha.com/api/v1/openapi.json (tag alerts).
Endpoints
| Method | Path | Description |
|---|---|---|
GET | /api/v1/alerts | List your alerts. Optional: ?product_id=prod_… |
POST | /api/v1/alerts | Create alert. 409 alert_already_exists if one exists: use PATCH |
GET | /api/v1/alerts/{alertId} | Get one alert |
PATCH | /api/v1/alerts/{alertId} | Update thresholds, directional flags, webhook URL, email, name, is_active |
DELETE | /api/v1/alerts/{alertId} | Delete (204) |
Create a directional alert (no threshold)
Notify whenever the price goes down — same as the dashboard Cheaper toggle:
curl -s -X POST "https://pricewatcha.com/api/v1/alerts" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{
"product_id": "prod_a1b2c3d4e5",
"notify_on_drop": true,
"notify_email": true,
"name": "Any drop"
}'
Create a threshold alert
curl -s -X POST "https://pricewatcha.com/api/v1/alerts" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{
"product_id": "prod_a1b2c3d4e5",
"min_threshold_price": 499.00,
"max_threshold_price": 599.00,
"webhook_url": "https://n8n.example.com/webhook/alert",
"notify_email": true,
"name": "Deal range"
}'
Example response (201):
{
"alert_id": 76,
"product_id": "prod_a1b2c3d4e5",
"min_threshold_price": 499.00,
"max_threshold_price": 599.00,
"notify_on_drop": false,
"notify_on_rise": false,
"currency": "EUR",
"webhook_url": "https://n8n.example.com/webhook/alert",
"notify_email": true,
"name": "Deal range",
"is_active": true,
"created_at": "2026-05-24T12:00:00Z",
"updated_at": "2026-05-24T12:00:00Z",
"last_triggered_at": null
}
List and get
curl -s "https://pricewatcha.com/api/v1/alerts" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
curl -s "https://pricewatcha.com/api/v1/alerts?product_id=prod_a1b2c3d4e5" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
curl -s "https://pricewatcha.com/api/v1/alerts/76" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
Update and delete
curl -s -X PATCH "https://pricewatcha.com/api/v1/alerts/76" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{"notify_on_drop": true, "min_threshold_price": null}'
curl -s -X PATCH "https://pricewatcha.com/api/v1/alerts/76" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{"is_active": false}'
curl -s -X DELETE "https://pricewatcha.com/api/v1/alerts/76" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
Webhooks
Webhooks push signed HTTP POST requests when prices change, alert thresholds are crossed or authenticated track jobs complete.
Subscribe to event types globally or for a single product_id. Each event type is delivered as its own request.
| Scope | Behaviour |
|---|---|
Global (product_id omitted) | Price events for products you track (watchlist) or for which you have an active price alert. Not the full catalog. |
Scoped (product_id set) | Price events for that product only. |
Test (POST /webhooks/{id}/test) | Sends a webhook_test payload to verify your endpoint; no product scope. |
Catalog-wide price streaming is not supported. Use the test endpoint to verify delivery, then track products or create alerts for the events you care about.
Manage subscriptions via POST https://pricewatcha.com/api/v1/webhooks. Full schemas: GET https://pricewatcha.com/api/v1/openapi.json (tags webhooks, alerts).
Note: Target URLs must use HTTPS and must not resolve to private or internal IP ranges.
Event types
| Event type | Trigger |
|---|---|
price_changed | Price moved by more than €0.01 |
price_dropped | Price decreased by more than €0.01 |
price_increased | Price increased by more than €0.01 |
new_historical_low | New price strictly lower than any previous observation |
price_alert_triggered | User alert fired (min/max threshold or directional drop/rise) |
track_job_completed | Authenticated POST /track finished successfully |
track_job_failed | Authenticated POST /track failed |
webhook_test | Only from POST /api/v1/webhooks/{webhook_id}/test |
Payload format
price_dropped
{
"event_id": "evt_a1b2c3d4e5",
"event_type": "price_dropped",
"occurred_at": "2026-05-24T14:00:00Z",
"product": {
"product_id": "prod_a1b2c3d4e5",
"name": "Apple iPhone 15 Pro 128GB (Refurbished)",
"shop": "Back Market",
"product_url": "https://www.backmarket.de/...",
"currency": "EUR"
},
"price": {
"old_price": 599.00,
"new_price": 536.00,
"historical_low": 536.00,
"historical_high": 729.00,
"average_price": 612.50
},
"metadata": {
"source": "pricewatcha",
"api_version": "v1"
}
}
price_alert_triggered
Includes the same product and price blocks plus an alert object:
{
"event_id": "evt_b2c3d4e5f6",
"event_type": "price_alert_triggered",
"occurred_at": "2026-05-24T14:00:00Z",
"alert": {
"alert_id": "76",
"min_threshold_price": 549.00,
"max_threshold_price": 599.00,
"threshold_reached": "min",
"name": "Under €550"
},
"metadata": {
"source": "pricewatcha",
"api_version": "v1"
}
}
Signing and verification
Every delivery includes:
X-Pricewatcha-Event-IdX-Pricewatcha-Event-TypeX-Pricewatcha-Timestamp(Unix seconds)X-Pricewatcha-Signature(sha256=<hex>)
Signed string: "{timestamp}.{raw_body}" with HMAC-SHA256 and your webhook secret (whsec_…, shown once at subscription creation).
Warning: The webhook secret is shown only once. Store it securely: only
secret_prefixis shown afterward.
Python
import hmac
import hashlib
def verify_pricewatcha_webhook(secret: str, timestamp: str, raw_body: bytes, signature: str) -> bool:
expected = hmac.new(
secret.encode("utf-8"),
f"{timestamp}.{raw_body.decode('utf-8')}".encode("utf-8"),
hashlib.sha256,
).hexdigest()
return hmac.compare_digest(f"sha256={expected}", signature or "")
JavaScript (Node.js)
import crypto from "node:crypto";
function verifyPricewatchaWebhook(secret, timestamp, rawBody, signature) {
const expected = crypto
.createHmac("sha256", secret)
.update(`${timestamp}.${rawBody}`)
.digest("hex");
const expectedHeader = `sha256=${expected}`;
return crypto.timingSafeEqual(
Buffer.from(expectedHeader),
Buffer.from(signature || "")
);
}
Delivery and retry
Failed deliveries retry up to 5 times: 1 min → 5 min → 30 min → 2 h → 12 h.
After 10 consecutive failures the subscription is auto-disabled.
Delivery logs
curl -s "https://pricewatcha.com/api/v1/webhooks/{webhook_id}/deliveries" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
Examples
Create a subscription
curl -s -X POST "https://pricewatcha.com/api/v1/webhooks" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{
"target_url": "https://n8n.example.com/webhook/abc123",
"event_types": ["price_dropped", "new_historical_low"],
"product_id": "prod_a1b2c3d4e5"
}'
Send a test webhook
curl -s -X POST "https://pricewatcha.com/api/v1/webhooks/42/test" \
-H "Authorization: Bearer pwk_live_YOUR_KEY_HERE"
AI Agents & MCP
Pricewatcha exposes a remote MCP endpoint: no local installation required. Connect your AI client with the URL below. Available tools include catalog reads (get_api_status, search_products, track_product, get_job_status, get_product, get_price_history) and price alerts (create_price_alert, list_price_alerts, get_price_alert, update_price_alert, delete_price_alert). Alert tools require a Pricewatcha API key and can notify on any drop or rise without a numeric threshold.
https://mcp.pricewatcha.com
For step-by-step setup, see Claude, ChatGPT, n8n and Make below.
Claude
What it enables: Ask Claude to search for products, track prices, check price history, set alerts and manage webhooks, all in natural language, directly in Claude.ai or the Claude desktop app.
How to connect: Claude.ai (web)
Step 1: Open the Customize panel
Click Customize (sliders icon) in the left sidebar of Claude.ai or go to claude.ai/settings/connectors.
Step 2: Add a custom connector
Under Connectors, click + to add a new connector.
Step 3: Enter the MCP server URL
Enter a name (e.g. “Pricewatcha”) and paste:
https://mcp.pricewatcha.com
Click Add.
Step 4: Done
Pricewatcha appears in your connector list with read-only tools (get_api_status, get_job_status, get_product, get_price_history, search_products, list_price_alerts, get_price_alert) and write tools (track_product, create_price_alert, update_price_alert, delete_price_alert). You can now use Pricewatcha in any Claude conversation.
Step 5: Configure tool permissions (optional)
Open the connector in your connector list (or return to claude.ai/settings/connectors) and expand Tool permissions.
For each tool — or for the whole Read-only / Write group — choose when Claude may call it:
| Setting | Meaning |
|---|---|
| Always allow | Claude calls the tool without asking each time |
| Require approval | Claude asks before each call (default for new connectors) |
| Never allow | Tool is blocked |
For everyday price checks and searches, set the read-only tools (or the whole read-only group) to Always allow. For track_product and alert tools, pick Always allow if you want friction-free writes, or keep Require approval if you prefer to confirm first. Alert tools need a Pricewatcha API key (pwk_live_...).
How to connect: Claude Desktop App
Same steps: Customize → Connectors → Add custom connector → paste https://mcp.pricewatcha.com. Tool permissions are configured the same way under Tool permissions in the connector settings.
Try:
- “Find me a refurbished iPhone 15 Pro under €550”
- “Track this product URL and show me the price history”
- “Set an alert for this product when it drops below €500”
- “Notify me whenever this product gets cheaper — no price target”
Note:
track_productis a write tool because it creates a tracking job in the background. It does not modify or delete existing data. Alert tools (create_price_alert,update_price_alert,delete_price_alert) change your saved alerts and require an API key.
ChatGPT
What it enables: Search products, track prices, get price history, set price alerts and manage webhooks, directly in ChatGPT via MCP.
Prerequisite: Developer Mode (one-time)
Custom MCP connectors require Developer Mode: Settings → Advanced → enable Developer Mode. Available on Plus, Pro, Team, Business, Enterprise and Edu (not on the free plan). Pricewatcha tools only work while Developer Mode stays on.
Step 1: Go to Settings → Apps and click Add custom connector.
Step 2: Paste the MCP URL:
https://mcp.pricewatcha.com
Optional connector logo: PNG, max 10 KB. Download from https://pricewatcha.com/static/img/mcp/chatgpt-logo.png
Step 3: Authentication: Select OAuth. ChatGPT handles the flow; you may see a brief authorization prompt on first connect.
Step 4: Done. Example prompts:
- “Search for a refurbished iPhone 15 Pro under €550”
- “Track this product URL and show me the price history”
- “Notify me whenever this product gets cheaper — no price target”
Warning: ChatGPT may show a DEV label on unverified third-party connectors. Pricewatcha only works while Developer Mode is enabled.
n8n
What it enables: Build automated price-monitoring workflows. Trigger actions when prices change or cross your alert threshold: no coding required.
Typical use case: When a tracked product drops below your threshold → send a Telegram, Slack or email notification with product name, shop, current price and alert name.
Documentation truncated — see the full README on GitHub.
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