{"uid":"cap_EB4ozmbE-1cmSh8e_-POM","slug":"isocast-polymarket-weather-signal-bundle-subscription-33c5e15a","name":"Isocast Polymarket Weather Signal Bundle Subscription","description":"Buy the next N Polymarket weather-signal(s) for a city (bundle prepay, count ≥ 2, $0.01–$7.00). Returns a Bearer receipt for /v1/signals. Nonce binds (payer, citySlug, count).","url":"https://api.isocast.dev/v1/subscribe","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"city":{"type":"string","description":"City slug (see GET /v1/cities), e.g. istanbul, nyc, los-angeles"},"count":{"type":"integer","minimum":2,"description":"Number of signals to buy (integer ≥ 2, and total ≥ 0.01 USDC min spend)"}}},"responseSchema":{"type":"json","example":{"ok":true,"city":"istanbul","count":20,"amountUsd":0.1,"idempotent":false,"receiptToken":"ic_rcpt_…","unitPriceUsd":0.005,"paidThroughSeq":24}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_N6HJFTmc2LhEbnXFkagdQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Prepurchases a bundle of N Polymarket weather-signal forecasts for a specified city, returning a Bearer receipt redeemable for signal delivery.","exampleAgentPrompt":"Buy me a bundle of 4 Polymarket weather signals for Istanbul on Isocast so I can start pulling forecasts — prepay for the whole pack now.","exampleUseCases":null,"resultDescription":"A Bearer receipt token that can be passed to GET /v1/signals to redeem the purchased weather signal(s), along with a nonce binding the payer, city slug, and signal count. The receipt confirms the prepaid bundle and authorizes future signal retrieval.","failureModes":["count < 2 — minimum bundle size not met, request rejected","total spend below $0.01 USDC minimum — rejected","invalid or unrecognized city slug — returns error, use GET /v1/cities to enumerate valid slugs","payment failure or insufficient USDC balance — transaction not completed","nonce reuse — same payer/citySlug/count combination already used","malformed request body — missing required fields city or count"],"whenToPreferThis":"Use this endpoint when you need to prepurchase multiple Polymarket weather signal forecasts for a specific city in a single prepaid bundle. It is the only way to obtain a Bearer receipt for /v1/signals on Isocast. Prefer this over single-signal alternatives when you need 2 or more signals and want to lock in a bundle price upfront.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:35:41.512Z","isFirstParty":false}