openapi: 3.2.0
info:
  title: anchor-x402 Price API
  description: 18 pay-per-call x402 services for AI agents — on-chain anchoring & attestation, wallet/address security screening, Web3 data (tx & calldata decode, ENS, token prices), x402 spend accounting, content analysis, and verifiable randomness. No API keys or accounts; settle per request in USDC on Base or Solana. $0.001–$1.77 per call.
  version: 0.3.0
  x-guidance: Pay-per-call x402 services for AI agents — no API keys or accounts. Each paid route returns HTTP 402 with x402 payment requirements; pay in USDC on Base or Solana (select routes also settle JPYC on Polygon) and retry with the payment header. Prices are $0.001–$1.77 per call. POST routes take a JSON body per each operation's requestBody schema.
  contact:
    email: hypeprinter007@gmail.com
  x-logo:
    url: https://api.anchor-x402.com/icon.png
    altText: anchor-x402
tags:
- name: Price
paths:
  /v1/price/token:
    post:
      summary: Look up a token's current price in US dollars
      operationId: token_price_post_v1_price_token_post
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/_TokenPriceBody'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenPriceResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
        '402':
          description: Payment Required
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.001000'
        protocols:
        - x402: {}
      tags:
      - Price
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    TokenPriceResponse:
      properties:
        symbol:
          anyOf:
          - type: string
          - type: 'null'
          title: Symbol
        name:
          anyOf:
          - type: string
          - type: 'null'
          title: Name
        contract:
          anyOf:
          - type: string
          - type: 'null'
          title: Contract
        chain:
          anyOf:
          - type: string
          - type: 'null'
          title: Chain
        usd:
          type: number
          title: Usd
        usd_24h_change_pct:
          anyOf:
          - type: number
          - type: 'null'
          title: Usd 24H Change Pct
        market_cap_usd:
          anyOf:
          - type: number
          - type: 'null'
          title: Market Cap Usd
        source:
          type: string
          title: Source
          default: coingecko
        fetched_at:
          type: integer
          title: Fetched At
        age_seconds:
          type: integer
          title: Age Seconds
      type: object
      required:
      - usd
      - fetched_at
      - age_seconds
      title: TokenPriceResponse
    _TokenPriceBody:
      properties:
        symbol:
          anyOf:
          - type: string
          - type: 'null'
          title: Symbol
          description: Token symbol like 'ETH', 'BTC', 'SOL', 'USDC'. Mutually exclusive with chain+contract.
        chain:
          anyOf:
          - type: string
          - type: 'null'
          title: Chain
          description: 'Chain slug: base, ethereum, solana, polygon, arbitrum, optimism, bsc, avalanche. Use with contract.'
        contract:
          anyOf:
          - type: string
          - type: 'null'
          title: Contract
          description: Token contract address. Requires chain.
      type: object
      title: _TokenPriceBody
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError