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openapi: 3.2.0
info:
title: x402 Agent Services Pricing API
version: 1.0.0
contact:
name: x402 Agent Services
url: https://call402.com/
x-guidance: 'All /api/* endpoints are pay-per-call via x402 v2 (exact, Base mainnet, USDC). Call any endpoint without payment to receive the live 402 challenge with exact price, network, asset and payTo; the runtime 402 response is authoritative over this document. Pay with any x402 client (e.g. @x402/fetch) and retry with the PAYMENT-SIGNATURE header. Free endpoints: /, /pricing, /stats, /health, /openapi.json, /llms.txt, /.well-known/x402.json, /.well-known/agent.json, and POST /mcp for initialize/tools/list.'
description: USDC pay-per-call APIs for AI agents via the x402 protocol (v2, exact, Base mainnet). Send a request, receive HTTP 402 with payment requirements, pay with @x402/fetch or any x402 client, retry with the PAYMENT-SIGNATURE header.
servers:
- url: https://call402.com
tags:
- name: Pricing
paths:
/pricing:
get:
summary: Pricing catalog (free)
security: []
responses:
'200':
description: OK
tags:
- Pricing
operationId: getPricing
x-operation-id-source: derived
x-x402:
version: 2
network: eip155:8453
asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
payTo: '0xAc6F1C3C3b17040730F16dC24Ee9993e9565BE4A'
facilitator: https://api.cdp.coinbase.com/platform/v2/x402