{"uid":"cap_WODsE_Vrh9qoluh-3_KYV","slug":"agmail-inbox-1-hour-renewal-mpp-e558c0ca","name":"agmail Inbox 1-Hour Renewal (MPP)","description":"Receive-only email inboxes for AI agents, by the hour. Pay in stablecoins with x402 or MPP; one call returns the code or the link.","url":"https://agmail.shveik.dev/v1/mpp/inbox-1h-renew?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"secret":{"type":"string"},"inbox_id":{"type":"string","pattern":"^ib_[0-9a-f]{12}$"}}},"responseSchema":{"type":"json","example":{"next":"The extension is applied once the payment has settled (a minute or so); GET /v1/…","plan":"1h","status":"queued","inbox_id":"ib_0123456789ab"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aez-cLKp1JYCgOpmLUJtY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Renews an existing agmail receive-only email inbox for an additional 1-hour window, paying via MPP (Micropayment Protocol) with stablecoins.","exampleAgentPrompt":"Renew the agmail inbox ib_0123456789ab for another hour — use the MPP payment endpoint and my secret to authorize it.","exampleUseCases":[{"title":"Support inbox for an agent fleet","prompt":"My AI agent fleet is using the agmail inbox ib_0123456789ab to collect verification emails, and it's about to expire — can you renew it for another hour using the MPP endpoint with secret sk_abc123?"},{"title":"Automated inbox keep-alive loop","prompt":"Set up a renewal for the agmail inbox ib_abcdef012345 using my secret every 50 minutes so my agent never loses access to its receive-only email address — kick off the first renewal now via MPP."},{"title":"One-off inbox extension after unexpected delay","prompt":"My workflow ran longer than expected and the agmail inbox ib_fedcba987654 is about to lapse — renew it for one more hour via MPP using secret mysecret99 so the confirmation email can still come in."}],"resultDescription":"Returns a JSON object with the inbox_id, the plan ('1h'), a status of 'queued' confirming the renewal payment is in flight, and a 'next' message explaining that the extension will be applied once the payment settles (approximately one minute).","failureModes":["Invalid inbox_id format (must match ^ib_[0-9a-f]{12}$) returns a 400 error","Wrong or missing secret results in authentication failure","Payment settlement failure or insufficient stablecoin balance prevents renewal","Inbox already expired before renewal queued — extension may not apply","Network timeout before payment confirmation — status stays queued indefinitely"],"whenToPreferThis":"Use this endpoint when you have an existing agmail inbox that needs its 1-hour lease extended and you are paying via MPP (Micropayment Protocol) rather than x402. Choose this over the x402 sibling endpoint when your agent's payment stack is MPP-native. Prefer over creating a new inbox when you want to preserve the same inbox_id and email address continuity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:36:50.255Z","isFirstParty":false,"canonicalSlug":"agmail-inbox-1-hour-renewal-mpp-e558c0ca"}