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OpenAPI Specification

openapi: 3.2.0
info:
  title: Checkpoint402 Com Sanctions API
  version: 1.0.0
  termsOfService: https://checkpoint402.com/terms
  x-guidance: Each endpoint is GET with query parameters and returns JSON. Pay per call with x402 (USDC on Base). Errors (4xx/5xx) are not charged.
  description: 'Operations tagged sanctions across 2 of this provider''s published API definitions: checkpoint402-com-openapi.json, checkpoint402-com-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.checkpoint402.com
  description: Production (base URL stated at https://checkpoint402.com/docs)
tags:
- name: sanctions
paths:
  /v1/sanctions-screen:
    get:
      operationId: ofacScreen
      summary: OFAC Sanctions Screening
      description: Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed.
      tags:
      - sanctions
      parameters:
      - name: name
        in: query
        required: false
        description: Person or company name
        schema:
          type: string
      - name: address
        in: query
        required: false
        description: Crypto wallet address (EVM, BTC, TRX, …)
        schema:
          type: string
      - name: threshold
        in: query
        required: false
        description: Name-match threshold 0.7-1 (default 0.92)
        schema:
          type: number
      - name: limit
        in: query
        required: false
        description: Max name candidates, 1-20 (default 5)
        schema:
          type: number
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.050000'
        protocols:
        - x402: {}
      responses:
        '200':
          description: Result
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Invalid input (not charged)
        '402':
          description: Payment Required
        '502':
          description: Upstream data source unavailable (not charged)
x-refined-from:
- checkpoint402-com-openapi.json
- checkpoint402-com-openapi.yml