{"uid":"cap_ZBZ93Rsum9f0PwD73RX7N","slug":"reverse-agent-api-agent-registration-631cc215","name":"Reverse Agent API – Agent Registration","description":"Reverse Agent API by reverse.captcha — pay-per-use security and web utilities for autonomous agents.","url":"https://reversecaptcha.fun/v1/paid/register?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"name":{"type":"string"},"public_key":{"type":"string"},"capabilities":{"type":"array","items":{"type":"string"}}}},"responseSchema":{"type":"json","example":{"agent":{"id":"bot_...","tier":"agent"},"payment":{"network":"eip155:8453","transaction":"0x..."},"passport":"eyJ..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gZi7fjEqUGThSNiv0TPhM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers an autonomous agent with a name, public key, and capabilities, issuing a signed passport and agent ID for subsequent paid API calls.","exampleAgentPrompt":"Register my agent called 'ResearchBot' with public key '0xABCD1234...' and capabilities ['web-scrape','captcha-solve'] on the reverse.captcha platform so I get back a passport token I can use for future calls.","exampleUseCases":[{"title":"Onboarding a new research agent","prompt":"Register my new agent named 'DataMiner' with public key '0xDEAD...BEEF' and capabilities ['search','extract'] so it can start making paid API calls on reverse.captcha."},{"title":"Provisioning a captcha-solving bot","prompt":"I need to provision a bot called 'SolverBot' with public key '0x1234...ABCD' and the capability 'captcha-solve' — give me back its passport and agent ID."},{"title":"Setting up an agent fleet member","prompt":"Add a new agent to my fleet: name it 'FleetAgent-7', use public key '0x9F8E...1A2B', and assign capabilities ['web-scrape','form-fill'] so it's ready for autonomous tasks."}],"resultDescription":"Returns a JSON object containing the registered agent's unique ID (e.g. 'bot_...') and tier ('agent'), a passport string (JWT) for authenticating future requests, and payment details including the Base network identifier and on-chain transaction hash confirming the $0.01 USDC registration fee.","failureModes":["Invalid or missing public_key format returns a 400 validation error","Duplicate registration with same name/public_key may return a conflict error","Payment failure or insufficient USDC balance returns a 402 Payment Required","Unsupported or malformed capabilities array returns a 422 Unprocessable Entity","Network downtime on Base (eip155:8453) may cause payment confirmation delays"],"whenToPreferThis":"Choose this endpoint when you need to register a new autonomous agent identity with reverse.captcha before making subsequent pay-per-use security or web utility calls. This is the entry point — use it first to obtain a passport JWT and agent ID that authorize all other API calls on the platform. Prefer it over generic auth flows when you specifically need on-chain payment-backed agent registration on the Base network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:32:51.611Z","isFirstParty":false,"canonicalSlug":"reverse-agent-api-agent-registration-631cc215"}