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OpenAPI Specification

openapi: 3.2.0
info:
  title: ExchangeRebel — pay-per-call APIs for AI agents (x402 on…
  version: 1.0.0
  contact:
    name: 'ExchangeRebel (operator: Rebel Data)'
    url: https://exchangerebel.com
    email: sound.money.investing@gmail.com
  x-guidance: 'All paid operations use x402 on Solana: call without payment to get a 402 challenge (SOL recipient + USDC token account + fresh memo), pay with the memo attached via the Solana Memo program, then retry with header X-Payment-Tx: <signature> and ?toll_memo=<memo>. Challenges are dual-version: the PAYMENT-REQUIRED header carries the x402 v2 PaymentRequired object and the response body carries the same challenge in x402 v1 form for compatibility. Free operations (security: []) include each service''s /health catalog with full response shapes. Prices in x-payment-info are USD per call unless the summary says otherwise (RPC is per 1,000-request block; Telegram provisioning is per bot-month; transcription is per minute of audio).'
  description: '67 data and utility APIs behind x402 tolls, settled in SOL or USDC on Solana. Call a paid endpoint without payment to receive a 402 x402 challenge (recipient + fresh memo), pay with the memo attached via the Solana Memo program, then retry with the X-Payment-Tx header and toll_memo query parameter. Free catalog/health endpoints are marked without x-payment-info. Full catalogs: GET /toll/discovery and each service''s /health.'
servers:
- url: https://exchangerebel.com
tags:
- name: Toxicity Score
paths:
  /toll/toxicity/analyze:
    post:
      tags:
      - Toxicity Score
      summary: Score a comment for toxicity (Perspective-compatible)
      responses:
        '200':
          description: Success. Response shape is documented in the service catalog (GET /health on the service).
          content:
            application/json:
              example:
                attributeScores:
                  TOXICITY:
                    summaryScore:
                      value: 0.9946797490119934
                      type: PROBABILITY
                  SEVERE_TOXICITY:
                    summaryScore:
                      value: 0.3166612386703491
                      type: PROBABILITY
                  IDENTITY_ATTACK:
                    summaryScore:
                      value: 0.024793392047286034
                      type: PROBABILITY
                  INSULT:
                    summaryScore:
                      value: 0.86378014087677
                      type: PROBABILITY
                  THREAT:
                    summaryScore:
                      value: 0.4177722632884979
                      type: PROBABILITY
                  PROFANITY:
                    summaryScore:
                      value: 0.8991979956626892
                      type: PROBABILITY
                disclosures:
                - PROFANITY is approximated by Detoxify's obscene-language label (near neighbour, not Perspective's PROFANITY model).
                envelope:
                  v: 1
                  service: toxicity-score
                  source: Detoxify open models (Apache-2.0) — Perspective-compatible attribute facade
                  grade: derived
                  max_age_seconds: 30
                  changes:
                    supported: false
        '402':
          description: 'Payment Required (x402). The PAYMENT-REQUIRED response header carries the x402 v2 PaymentRequired object (base64 JSON: scheme, CAIP-2 network, amount, asset, payTo, plus the bazaar discovery extension); the response body carries the same challenge in x402 v1 form for compatibility, naming the SOL recipient and USDC token account on Solana plus a fresh memo. To pay on this service''s rail: pay with the memo attached (Solana Memo program), then retry with header ''X-Payment-Tx: <transaction signature>'' and query parameter ''toll_memo=<memo>''.'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                comment:
                  type: object
                  description: 'object (required) - {text: string} comment to score, Perspective comments:analyze body'
                requestedAttributes:
                  type: object
                  description: object (required) - attribute configs for TOXICITY, SEVERE_TOXICITY, IDENTITY_ATTACK, INSULT, THREAT, PROFANITY (FLIRTATION unsupported)
                languages:
                  type: array
                  description: array of strings - optional; en = full attributes, fr/es/it/pt/tr/ru = TOXICITY-only
                  items:
                    type: string
                doNotStore:
                  type: boolean
                  description: boolean - optional; comment text is never stored regardless
                clientToken:
                  type: string
                  description: string - optional, echoed back in the response
              required:
              - comment
              - requestedAttributes
      x-payment-info:
        protocols:
        - x402
        price:
          mode: fixed
          currency: USD
          amount: '0.005'
      security:
      - x402Payment: []
      operationId: postTollToxicityAnalyze
      x-operation-id-source: derived
  /toll/toxicity/analyze/batch:
    post:
      tags:
      - Toxicity Score
      summary: Score up to 100 comments for toxicity in one call
      responses:
        '200':
          description: Success. Response shape is documented in the service catalog (GET /health on the service).
          content:
            application/json:
              example:
                counts:
                  total: 100
                  scored: 100
                  failed: 0
                sample_toxic: 0.9605216383934021
                sample_clean: 0.0007300461293198168
        '402':
          description: 'Payment Required (x402). The PAYMENT-REQUIRED response header carries the x402 v2 PaymentRequired object (base64 JSON: scheme, CAIP-2 network, amount, asset, payTo, plus the bazaar discovery extension); the response body carries the same challenge in x402 v1 form for compatibility, naming the SOL recipient and USDC token account on Solana plus a fresh memo. To pay on this service''s rail: pay with the memo attached (Solana Memo program), then retry with header ''X-Payment-Tx: <transaction signature>'' and query parameter ''toll_memo=<memo>''.'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                comments:
                  type: array
                  description: array (required) - up to 100 comments:analyze requests, each {comment:{text}, requestedAttributes, languages?}
                  items:
                    type: string
              required:
              - comments
      x-payment-info:
        protocols:
        - x402
        price:
          mode: fixed
          currency: USD
          amount: '0.25'
      security:
      - x402Payment: []
      operationId: postTollToxicityAnalyzeBatch
      x-operation-id-source: derived
  /toll/toxicity/catalog:
    get:
      tags:
      - Toxicity Score
      summary: 'Toxicity Score catalog: endpoints, prices, disclosures'
      responses:
        '200':
          description: Success. Response shape is documented in the service catalog (GET /health on the service).
      security: []
      operationId: getTollToxicityCatalog
      x-operation-id-source: derived
  /toll/toxicity/schema:
    get:
      tags:
      - Toxicity Score
      summary: Toxicity Score schema + coverage disclosures
      responses:
        '200':
          description: Success. Response shape is documented in the service catalog (GET /health on the service).
      security: []
      operationId: getTollToxicitySchema
      x-operation-id-source: derived
  /toll/toxicity/health:
    get:
      tags:
      - Toxicity Score
      summary: Check the toxicity score service status
      responses:
        '200':
          description: Success. Response shape is documented in the service catalog (GET /health on the service).
      security: []
      operationId: getTollToxicityHealth
      x-operation-id-source: derived
components:
  securitySchemes:
    x402Payment:
      type: apiKey
      in: header
      name: X-Payment-Tx
      description: 'x402 toll payment proof: the Solana transaction signature of a payment carrying the memo from the 402 challenge; send together with ?toll_memo=<memo>. Payment itself is made on-chain in SOL or USDC to the recipient named in the challenge.'