{"uid":"cap_6XxMyHwWK8VLGyNrtIPTH","slug":"halowerk-price-history-new-low-detector-e3400260","name":"HALOWERK Price History New Low Detector","description":"HALOWERK handelswerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://handel.halowerk.com/v1/price/articles/history-new-low?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048},"history":{"type":"array","items":{"type":"object","required":["url","observed_at","value","currency"],"properties":{"url":{"type":"string","maxLength":2048},"value":{"type":"number","maximum":1000000000,"minimum":0},"currency":{"type":"string","pattern":"^[A-Z]{3}$"},"observed_at":{"type":"string","maxLength":40}},"additionalProperties":false},"maxItems":60,"minItems":3},"previous":{"type":"object","required":["value","currency"],"properties":{"value":{"type":"number","maximum":1000000000,"minimum":0},"currency":{"type":"string","pattern":"^[A-Z]{3}$"}},"additionalProperties":false},"callback_url":{"type":"string","maxLength":2048},"idempotency_key":{"type":"string","pattern":"^[A-Za-z0-9_-]+$","maxLength":128,"minLength":32}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.007","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aIZkoGrBctRnlTAI8bTqs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a product's price history array to detect whether a new all-time low price has been reached","exampleAgentPrompt":"Check if the latest price of €34.99 EUR for this product (https://example.com/product/123) is a new all-time low — here's the price history for the last 3 months: [{url, observed_at, value, currency}, ...], and the previous known low was €36.50 EUR.","exampleUseCases":[{"title":"Bargain hunter price alert","prompt":"I've been tracking this laptop on a retailer site for 6 months. Here's the full price history with dates and values — can you tell me if today's price of €799 EUR is the lowest it's ever been? The previous known low was €849 EUR."},{"title":"E-commerce deal verification","prompt":"My price scraper just recorded €12.99 EUR for this book (https://shop.example.com/books/456). Here are the last 3 months of observed prices — is this a new historical low? The previous minimum I had recorded was €13.49 EUR."},{"title":"Automated repricing trigger check","prompt":"Before I trigger a repricing action for this product, confirm whether the current price of $19.99 USD represents a new all-time low based on this 60-entry price history array. Previous known low was $21.00 USD."}],"resultDescription":"A JSON response indicating whether the latest price observation in the provided history constitutes a new all-time low, likely including the identified minimum value, currency, and relevant metadata about when the low was observed.","failureModes":["Fewer than 3 history items provided — schema requires minItems:3","History items missing required fields (url, observed_at, value, currency) — validation error","Currency code not matching ISO 3-letter format — pattern mismatch","Price value exceeding maximum of 1,000,000,000 — schema rejection","Duplicate or non-idempotent requests without a valid idempotency_key — potential double-billing","Payment not received or insufficient USDC balance — x402 payment required response","Callback URL malformed or unreachable — callback delivery failure"],"whenToPreferThis":"Choose this endpoint when you need to programmatically determine whether a newly observed price for a specific article represents a historical minimum, especially in automated price-monitoring pipelines or deal-detection workflows. It is particularly suited when you already have a structured price history array (up to 60 entries) and a previously known low, and want a definitive computational answer rather than doing the min-detection logic yourself. Prefer it over manual comparison when operating in a multi-agent commerce automation context that already uses x402 micropayment infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:43:47.082Z","isFirstParty":false,"canonicalSlug":"halowerk-price-history-new-low-detector-e3400260"}