{"uid":"cap_qarcnR1J__jYjdou5VWqe","slug":"stableproducts-channel3-price-tracking-start-89b46637","name":"StableProducts Channel3 Price Tracking Start","description":"Product catalog APIs powered by x402.","url":"https://stableproduct.dev/api/channel3/price-tracking/start?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"include_raw":{"type":"boolean"},"canonical_product_id":{"type":"string","minLength":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZtW8hL11HA3ZGL_KdbeJ4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Start a price tracking subscription for a specific Channel3 product by canonical product ID","exampleAgentPrompt":"Start tracking the price of Channel3 product 'prod_abc123' for me — and include the raw tracking data in the response.","exampleUseCases":[{"title":"Monitor price drop on electronics","prompt":"Start price tracking on Channel3 product ID 'prod_tv_samsung_55' so I get notified when the price changes — include the raw data too."},{"title":"Automate deal-hunting for a product","prompt":"Set up a price tracking subscription for Channel3 product 'prod_nike_air_max_90' so my shopping agent can watch for the best time to buy."},{"title":"Research price history for a specific item","prompt":"Begin tracking prices for Channel3 product 'prod_instant_pot_duo' and include the raw response so I can inspect the full pricing details."}],"resultDescription":"Returns a confirmation of the new price tracking subscription for the specified canonical product ID, along with subscription metadata and optionally raw tracking data if include_raw is set to true.","failureModes":["Missing or empty canonical_product_id returns a validation error","Unknown product ID returns a not-found error","Payment not processed (x402 payment required) returns a 402 response","Duplicate subscription may return a conflict error or idempotent confirmation","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need to initiate a new price monitoring subscription for a specific Channel3 product identified by its canonical product ID. Prefer this over listing existing subscriptions (which is a separate endpoint) when the goal is to create, not read, a tracking record. Best suited for agent workflows that automate deal discovery or price-change alerting.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T00:30:23.803Z","isFirstParty":false,"canonicalSlug":"stableproducts-channel3-price-tracking-start-89b46637"}