find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/anchor-x402-roll-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: anchor-x402 Roll 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: Roll
paths:
  /v1/roll:
    post:
      summary: Generate verifiable dice rolls with a signed result
      operationId: roll_v1_roll_post
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RollRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RollResponse'
        '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:
      - Roll
components:
  schemas:
    RollResponse:
      properties:
        range:
          items:
            type: integer
          type: array
          title: Range
        count:
          type: integer
          title: Count
        commitment:
          anyOf:
          - type: string
          - type: 'null'
          title: Commitment
        label:
          anyOf:
          - type: string
          - type: 'null'
          title: Label
        result:
          items:
            type: integer
          type: array
          title: Result
        input_hash:
          type: string
          title: Input Hash
        result_hash:
          type: string
          title: Result Hash
        signature:
          type: string
          title: Signature
        signer:
          type: string
          title: Signer
        scheme:
          type: string
          const: eip191
          title: Scheme
        domain:
          type: string
          const: anchor-x402/roll/v1
          title: Domain
      type: object
      required:
      - range
      - count
      - commitment
      - label
      - result
      - input_hash
      - result_hash
      - signature
      - signer
      - scheme
      - domain
      title: RollResponse
    RollRequest:
      properties:
        low:
          type: integer
          title: Low
          description: Inclusive low bound of the integer range.
        high:
          type: integer
          title: High
          description: Inclusive high bound. Must be >= low.
        count:
          type: integer
          maximum: 100.0
          minimum: 1.0
          title: Count
          description: How many integers to sample. 1-100.
          default: 1
        commitment:
          anyOf:
          - type: string
          - type: 'null'
          title: Commitment
          description: Optional 32-byte hex pre-commitment from the caller. Included in the signed payload, so the server cannot have chosen the result after seeing the caller's downstream intent.
        label:
          anyOf:
          - type: string
            maxLength: 200
          - type: 'null'
          title: Label
          description: Optional caller-defined tag (e.g. 'treasure_drop_42'). Included verbatim in the signed payload.
      type: object
      required:
      - low
      - high
      title: RollRequest
    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
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError