openapi: 3.2.0
info:
  title: Monid Discover API
  version: 0.1.0
  description: Agentic payment platform for data — agents discover and buy data on demand. Authenticated `/v1/*` routes accept a Monid API key or Clerk JWT as a Bearer token. All errors return `{ code, message }`. List endpoints use cursor pagination; consult each operation schema for its last-page cursor encoding.
servers:
- url: https://api.monid.ai
  description: Production
- url: https://monid.ai
  description: Public registry alias (public/v1 only)
tags:
- name: Discover
paths:
  /v1/discover:
    post:
      tags:
      - Discover
      summary: Search for data endpoints
      description: 'Semantic search over the endpoint catalog: registry kNN retrieval, signal-based reranking, relevance floors, and per-result pricing.'
      security:
      - Bearer: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DiscoverRequest'
      responses:
        '200':
          description: Ranked endpoint recommendations
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiscoverResponse'
        '400':
          description: Bad request — input failed validation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized — missing or invalid credentials
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: Forbidden — caller has no workspace or no access
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    DiscoverRequest:
      type: object
      properties:
        query:
          type: string
          minLength: 1
          maxLength: 1000
          description: Natural-language search query for data endpoints.
          example: twitter posts
        limit:
          type: integer
          exclusiveMinimum: 0
          default: 5
          description: Requested result count. A config-driven server-side cap (`service.discover.max_results`) applies.
          example: 5
        minScore:
          type: number
          minimum: 0
          maximum: 2
          description: Per-call override for the post-rerank score floor. Results scoring below this are filtered out before truncation to `limit`. Falls back to the configured default when omitted.
          example: 0.2
      required:
      - query
    Error:
      type: object
      properties:
        code:
          type: integer
          description: HTTP status code, duplicated in the body.
          example: 400
        message:
          type: string
          description: Human-readable error description.
          example: Bad Request
      required:
      - code
      - message
    DiscoverResponse:
      type: object
      properties:
        results:
          type: array
          items:
            $ref: '#/components/schemas/DiscoverResult'
        query:
          type: string
        count:
          type: number
      required:
      - results
      - query
      - count
    DiscoverPrice:
      type: object
      properties:
        type:
          type: string
        amount:
          anyOf:
          - type: object
            properties:
              value:
                type: number
              currency:
                type: string
                enum:
                - USD
            required:
            - value
            - currency
          - type: object
            properties:
              type:
                type: string
                enum:
                - PER_TOKEN
              amount:
                type: object
                properties:
                  value:
                    type: number
                  currency:
                    type: string
                    enum:
                    - USD
                required:
                - value
                - currency
              per:
                type: number
              unit:
                type: string
                enum:
                - token
                - character
            required:
            - type
            - amount
            - per
            - unit
        flatFee:
          type: object
          properties:
            value:
              type: number
            currency:
              type: string
              enum:
              - USD
          required:
          - value
          - currency
        period:
          type: object
          properties:
            unit:
              type: string
              enum:
              - MINUTE
              - DAY
              - MONTH
            count:
              type: integer
              exclusiveMinimum: 0
          required:
          - unit
          - count
        per:
          type: object
          properties:
            unit:
              type: string
              enum:
              - MINUTE
              - DAY
              - MONTH
            count:
              type: integer
              exclusiveMinimum: 0
          required:
          - unit
          - count
        selectors:
          type: array
          items:
            type: object
            properties:
              label:
                type: string
              key:
                type: string
              in:
                type: string
                enum:
                - body
                - queryParam
                - pathParam
            required:
            - label
            - key
            - in
        variants:
          type: array
          items:
            type: object
            properties:
              when:
                type: object
                additionalProperties:
                  anyOf:
                  - type: string
                  - type: number
              amount:
                anyOf:
                - type: object
                  properties:
                    value:
                      type: number
                    currency:
                      type: string
                      enum:
                      - USD
                  required:
                  - value
                  - currency
                - type: object
                  properties:
                    type:
                      type: string
                      enum:
                      - PER_TOKEN
                    amount:
                      type: object
                      properties:
                        value:
                          type: number
                        currency:
                          type: string
                          enum:
                          - USD
                      required:
                      - value
                      - currency
                    per:
                      type: number
                    unit:
                      type: string
                      enum:
                      - token
                      - character
                  required:
                  - type
                  - amount
                  - per
                  - unit
              label:
                type: string
            required:
            - when
            - amount
      required:
      - type
      - amount
      description: User-facing price (markup applied, no notes).
    DiscoverResult:
      type: object
      properties:
        provider:
          type: string
          description: Provider slug.
          example: exa
        providerName:
          type: string
          description: Human-readable provider name.
        endpoint:
          type: string
          description: Endpoint path.
          example: /search
        description:
          type: string
        price:
          $ref: '#/components/schemas/DiscoverPrice'
        score:
          type: number
          description: Final composed reranker score. Opaque sort context — not a fixed-range relevance probability.
        tags:
          type: array
          items:
            type: string
          description: User-facing tags (e.g. `["verified"]`).
        scoreBreakdown:
          type: object
          properties:
            querierScore:
              type: number
          required:
          - querierScore
          additionalProperties:
            anyOf:
            - type: number
            - type: 'null'
          description: Per-signal breakdown of the reranker's final score (`querierScore` plus one raw log-odds shift per signal).
        hints:
          type: object
          additionalProperties:
            anyOf:
            - type: string
            - type: object
              properties:
                kind:
                  type: string
                  enum:
                  - command
                  - discover
                  - inspect
                  - run
                  - getRun
                  - stop
                  - releaseResource
                command:
                  type: string
                query:
                  type: string
                provider:
                  type: string
                endpoint:
                  type: string
                runId:
                  type: string
                resourceId:
                  type: string
                comment:
                  type: string
              required:
              - kind
          description: Endpoint-authored workflow hints, polymorphic by client (rendered command string for cli/api/mcp; structured target for web). Omitted for unknown clients and endpoints without authored hints.
      required:
      - provider
      - endpoint
      - description
      - price
      - score
      - tags
      - scoreBreakdown
  securitySchemes:
    Bearer:
      type: http
      scheme: bearer
      description: 'Monid API key (`Authorization: Bearer mk_...`) or Clerk-issued JWT.'