x402 Agent Services

x402 Agent Services Domain Lookup API

The Domain Lookup API from x402 Agent Services — 1 operation(s) for domain lookup.

GitHub OpenAPI

Operations 1

POST /api/domain-lookup Domain DNS and RDAP lookup #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/call402-com/openapi/call402-com-domain-lookup-api-openapi.yml

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OpenAPI Specification

call402-com-domain-lookup-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: x402 Agent Services Domain Lookup 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: Domain Lookup
paths:
  /api/domain-lookup:
    post:
      summary: Domain DNS and RDAP lookup
      description: 'Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers. For domain due diligence, phishing-site checks, counterparty infrastructure review and integration pre-checks.'
      operationId: Domain_DNS_and_RDAP_lookup
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.005'
        protocols:
        - x402: {}
        network: eip155:8453
        asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
        payTo: '0xAc6F1C3C3b17040730F16dC24Ee9993e9565BE4A'
        scheme: exact
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                domain:
                  type: string
              required:
              - domain
            example:
              domain: call402.com
      responses:
        '200':
          description: Success (after x402 payment settles)
          content:
            application/json:
              schema:
                type: object
                description: Tool result payload; per-endpoint fields are documented in the docs page and llms.txt
              example:
                domain: call402.com
                dns:
                  A:
                  - 203.0.113.10
                  AAAA: []
                rdap:
                  registrar: Cloudflare, Inc.
                  created: '2025-01-01'
                  expires: '2027-01-01'
                  status:
                  - active
        '400':
          description: Invalid input
        '402':
          description: Payment Required — x402 v2 challenge in PAYMENT-REQUIRED header
          headers:
            PAYMENT-REQUIRED:
              schema:
                type: string
              description: Base64-encoded PaymentRequired JSON
      tags:
      - Domain Lookup
x-x402:
  version: 2
  network: eip155:8453
  asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
  payTo: '0xAc6F1C3C3b17040730F16dC24Ee9993e9565BE4A'
  facilitator: https://api.cdp.coinbase.com/platform/v2/x402