{"id":"00b34a22-ce55-46c4-a962-7c2b52e17780","shortId":"77QG45","kind":"x402","title":"Twilio integration key via x402 micropayment on Base for $0.02 per request","tagline":"Twilio integration key via x402 micropayment on Base for $0.02 per request","description":"This endpoint at lowpaymentfee.com provides a Twilio integration key through the x402 payment protocol. It is part of a broader platform offering pay-per-call APIs across data analytics, AI/ML, finance, infrastructure, and integrations categories — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/integrations/twilio/key` accepts POST requests and returns a JSON response. Based on the x402 challenge, the maximum amount required is 20,000 base units of USDC (0x8335… on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 exact scheme with no API keys, rate limits, or subscriptions required — callers simply attach an X-PAYMENT header with a valid payment proof.\n\nThe platform advertises itself with the tagline \"No API keys, No rate limits, Instant access\" and settles all payments on the Base L2 network. Documentation is minimal: the landing page lists available endpoints and pricing, but there is no OpenAPI spec, no detailed request/response schema, and no usage examples. The exact nature of the \"Twilio key\" returned (e.g., whether it provisions a new Twilio sub-account key, returns a shared credential, or proxies Twilio functionality) is not documented.","tags":[],"capabilities":["x402-payment","twilio-integration","usdc-base","pay-per-call","no-api-key","micropayment"],"categories":["integrations","telephony"],"synonyms":["twilio api key","twilio credential","sms api","telephony integration","twilio provisioning","x402 twilio","lowpaymentfee twilio"],"warnings":["No documentation on what the returned Twilio key grants access to or how it should be used","No OpenAPI spec or response schema available","No examples of successful responses","The platform landing page is generic; /api, /pricing, and /README pages all just show 'Connect wallet' with no content","Unclear whether this provisions a real Twilio credential or proxies Twilio services"],"endpointUrl":"https://lowpaymentfee.com/api/v1/integrations/twilio/key","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/integrations/twilio/key","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, but there is no OpenAPI spec, no request/response schema, no documentation on what the Twilio key actually provides, and no usage examples. The listing is effectively a stub with pricing and protocol details 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'0.02':10,22,64,108 '000':98 '0x8335':103 '20':97 '6':112 'accept':79 'access':158 'account':210 'across':52 'advertis':146 'ai/ml':55 'amount':94 'analyt':54 'api':51,124,152 'attach':133 'avail':175 'base':8,20,73,87,99,105,165 'broader':44 'call':50 'caller':131 'categori':60 'challeng':91 'credenti':215 'data':53 'decim':113 'detail':186 'document':168,222 'e.g':201 'endpoint':26,77,176 'equal':107 'exact':120,194 'exampl':192 'financ':56 'function':219 'given':109 'header':138 'infrastructur':57 'instant':157 'integr':2,14,32,59 'json':85 'key':3,15,33,125,153,199,211 'l2':166 'land':172 'limit':127,156 'list':174 'lowpaymentfee twilio' 'lowpaymentfee.com':28 'made':116 'maximum':93 'micropay':6,18 'micropayment' 'minim':170 'natur':195 'network':74,167 'new':206 'no-api-key' 'offer':46 'openapi':183 'page':173 'part':41 'pay':48 'pay-per-cal':47 'pay-per-call' 'payment':37,114,137,142,162 'per':11,23,49,65 'platform':45,145 'post':80 'price':62,178 'proof':143 'protocol':38 'provid':29 'provis':204 'proxi':217 'rate':126,155 'request':12,24,66,81 'request/response':187 'requir':95,130 'respons':86 'return':83,200,212 'schema':188 'scheme':121 'settl':68,160 'share':214 'simpli':132 'sms api' 'spec':184 'specif':76 'sub':209 'sub-account':208 'subscript':129 'taglin':150 'telephony integration' 'twilio':1,13,31,198,207,218 'twilio api key' 'twilio credential' 'twilio provisioning' 'twilio-integration' 'unit':100 'usag':191 'usdc':70,102,110 'usdc-base' 'valid':141 'via':4,16,117 'whether':202 'x':136 'x-payment':135 'x402':5,17,36,90,119 'x402 twilio' 'x402-payment'","prices":[{"id":"75c70027-60a6-418d-97cf-1048345ad7d7","listingId":"00b34a22-ce55-46c4-a962-7c2b52e17780","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/integrations/twilio/key","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:23.123Z"}],"sources":[{"listingId":"00b34a22-ce55-46c4-a962-7c2b52e17780","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/integrations/twilio/key","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:23.123Z","lastSeenAt":"2026-04-26T19:35:18.806Z"}],"details":{"listingId":"00b34a22-ce55-46c4-a962-7c2b52e17780","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/integrations/twilio/key \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/integrations/twilio/key","method":"POST","headers":{"X-PAYMENT":"<x402_payment_proof>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/integrations/twilio/key"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/integrations/twilio/key"}],"useCases":["Obtaining a Twilio API key on-demand without a Twilio account signup","Programmatic provisioning of telephony credentials for agent workflows","Pay-per-use access to Twilio integration without subscription commitments"],"bestFor":["AI agents needing on-demand telephony credentials","Developers who want instant Twilio access without account management","Micropayment-based API consumers on Base network"],"notFor":["Production telephony workloads requiring SLA guarantees and documented behavior","Users who need detailed Twilio configuration or sub-account management","Anyone needing clear documentation on what the returned key grants access to"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:06.262Z"},"updatedAt":"2026-04-26T19:35:18.806Z"}}