{"uid":"cap_5biya2YkEBX9BUvEYRslj","slug":"would-pay-again-ad-booking-c1ac56b5","name":"Would Pay Again Ad Booking","description":"A newsletter about the x402 machine-payments economy, sold over x402 itself. USDC on Base.","url":"https://wouldpayagain.com/api/ads/book?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"status":"pending_review","confirmed":true,"booking_id":1,"settlement_tx":"0x…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vTg_q9-FjtAnjSC_HJgit","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Book an advertisement slot in the Would Pay Again newsletter about the x402 machine-payments economy, paying $0.20 USDC via x402 on Base.","exampleAgentPrompt":"Book me an ad slot in the Would Pay Again newsletter — it's a POST request with my ad details as JSON — and pay the $0.20 USDC fee on Base via x402.","exampleUseCases":[{"title":"Promote a crypto payments product","prompt":"I want to advertise my new USDC payment SDK in the Would Pay Again newsletter — can you book an ad slot for me and pay the 20-cent USDC fee?"},{"title":"Sponsor machine-payments newsletter for startup","prompt":"Our startup is launching a Base-native wallet and we want to reach the x402 audience — book us an ad in Would Pay Again and handle the USDC payment on Base."},{"title":"Automated ad booking for agent-driven campaign","prompt":"For my ongoing campaign targeting the machine-payments community, book a new ad slot in Would Pay Again each week, paying $0.20 USDC each time."}],"resultDescription":"Returns a JSON object confirming the booking with fields: ok (boolean), status (e.g. 'pending_review'), confirmed (boolean), booking_id (integer), and settlement_tx (the on-chain transaction hash on Base for the $0.20 USDC payment).","failureModes":["Insufficient USDC balance — x402 payment fails and booking is not created","Invalid body type or missing required fields — API returns a validation error","Ad content rejected after pending_review — booking_id issued but ad not published","Network or blockchain congestion causes settlement_tx delay or timeout","Duplicate booking attempts may create separate booking IDs with separate charges"],"whenToPreferThis":"Choose this endpoint when you want to place a paid advertisement specifically in the Would Pay Again newsletter targeting readers interested in x402 machine-payments and USDC micropayments, and you are able to pay $0.20 USDC on Base via the x402 protocol. Prefer this over generic ad networks when your audience is crypto-native and specifically interested in programmable payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T08:28:33.565Z","isFirstParty":false,"canonicalSlug":"would-pay-again-ad-booking-c1ac56b5"}