{"uid":"cap_WGyEqX0pOYTjr1VPMazDU","slug":"would-pay-again-newsletter-subscription-efb97655","name":"Would Pay Again Newsletter Subscription","description":"Subscribe an email address to the Would Pay Again newsletter. Body: {\"email\": \"you@example.com\"}.","url":"https://wouldpayagain.com/api/subscribe","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{}}}}},"responseSchema":{"type":"json","example":{"ok":true,"message":"Subscribed to Would Pay Again."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lVTDpet3p1HeNLSdzMvw8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Subscribes a caller to the Would Pay Again newsletter about the x402 machine-payments economy, paid via USDC on Base.","exampleAgentPrompt":"Subscribe me to the Would Pay Again newsletter — it's the one about the x402 machine-payments economy and costs $0.001 USDC on Base.","exampleUseCases":null,"resultDescription":"Returns a JSON object with an 'ok' boolean (true on success) and a 'message' string confirming 'Subscribed to Would Pay Again.' indicating the subscription was recorded.","failureModes":["Payment not received or insufficient USDC — subscription not created","x402 payment header missing or malformed — request rejected","Base network congestion causing payment confirmation delay","Duplicate subscription attempt for same address","Service downtime returning non-200 response"],"whenToPreferThis":"Use this endpoint when an agent needs to subscribe to the Would Pay Again newsletter specifically, and is operating in a context where x402 micropayments via USDC on Base are already supported. This is the only known subscription endpoint for this newsletter and is distinct from content-retrieval endpoints on the same domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:30.566Z","isFirstParty":false}