{"uid":"cap_giPPhB4I5T8cTidxoKCB7","slug":"klymax402-email-send-api-04f8d5d2","name":"Klymax402 Email Send API","description":"Send an email message","url":"https://email-send.api.klymax402.com/api/send","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"to":{"type":"string","description":"Recipient email address"},"body":{"type":"string","description":"Email body content (plain text)"},"from":{"type":"string","description":"Sender email address (default: noreply@x402.dev)"},"html":{"type":"string","description":"Email body content (HTML, optional — overrides body)"},"subject":{"type":"string","description":"Email subject line"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zXiXftxPhv56QXeEJ_mon","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Sends a transactional email message to a specified recipient with plain text or HTML body content","exampleAgentPrompt":"Send an email to john.doe@example.com with the subject 'Your order has shipped' and the body 'Hi John, your order #1234 has shipped and will arrive by Friday. Thanks for shopping with us!' — use noreply@x402.dev as the sender.","exampleUseCases":null,"resultDescription":"A confirmation response indicating whether the email was successfully sent to the specified recipient, typically including delivery status.","failureModes":["Invalid recipient email address format returns an error","Missing required fields (to, subject, body or html) may result in a 400 bad request","Recipient domain unreachable may cause delivery failure","Payment not provided or insufficient USDC balance causes 402 Payment Required","Rate limiting may reject high-frequency requests"],"whenToPreferThis":"Choose this endpoint when you need a simple, pay-per-use email sending capability without managing your own SMTP server or email service account — ideal for agents that need to send occasional transactional emails (notifications, alerts, confirmations) and want to pay per message via x402 micropayments rather than maintaining a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:29:15.327Z","isFirstParty":false}