HillSignal API

HillSignal API as documented publicly: 10 operations. Contract generated from the documentation by API Evangelist (2026-11-11); not the provider's own document.

Operations 10

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OpenAPI Specification

openapi: 3.1.0
info:
  title: HillSignal API
  version: '2026-11-11'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-11-11: 10 operation(s) read from 2 public documentation page(s) (each operation
    names its page in x-source). This is not the provider''s published contract; HillSignal has published no machine-readable contract that the
    pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 2
    documentation: 8
    pages-with-code: 1
    pages-read: 2
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-11-11'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://www.hillsignal.com/api/wire
  - https://www.hillsignal.com/developers/api
paths:
  /api/mcp:
    get:
      operationId: get_api_mcp
      tags:
      - Api
      summary: The MCP server lets an AI assistant look things up in HillSignal while it answers you.
      x-source: https://www.hillsignal.com/developers/api
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiMcpResponse'
      x-evidence:
        kind: documentation
    post:
      operationId: post_api_mcp
      tags:
      - Api
      summary: Model Context Protocol server (Streamable HTTP, stateless); 16 read-only tools; unkeyed at 60/min, keyed above
      x-source: https://www.hillsignal.com/api/wire
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/v1:
    get:
      operationId: get_api_v1
      tags:
      - Api
      summary: GET https://www.hillsignal.com/api/v1 lists them.
      x-source: https://www.hillsignal.com/developers/api
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiV1Response'
      x-evidence:
        kind: documentation
  /api/v1/signals:
    get:
      operationId: get_api_v1_signals
      tags:
      - Api
      summary: GET /api/v1/signals
      x-source: https://www.hillsignal.com/developers/api
      parameters:
      - name: event_type
        in: query
        required: false
        schema:
          type: string
      - name: limit
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl -s "https://www.hillsignal.com/api/v1/signals?event_type=contract_award&limit=3"  -H "Authorization: Bearer hw_live_your_key_here"
          You get JSON back: the three newest contract awards, each titled with the recipient, amount and agency, with any matched tickers, a
          summary and a link to the record on USAspending.gov. Authentication Send your key in a header on every request. Either form works: h'
  /api/v1/themes:
    get:
      operationId: get_api_v1_themes
      tags:
      - Api
      summary: GET /api/v1/themes
      x-source: https://www.hillsignal.com/developers/api
      parameters:
      - name: limit
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: go
        snippet: http.NewRequest("GET", "https://www.hillsignal.com/api/v1/themes?limit=5"
  /api/wire:
    get:
      operationId: get_api_wire
      tags:
      - Api
      summary: HillSignal Wire — normalized, provenance-stamped congressional, regulatory, and capital-flow intelligence.
      x-source: https://www.hillsignal.com/api/wire
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/wire/entity/resolve:
    get:
      operationId: get_api_wire_entity_resolve
      tags:
      - Api
      summary: organization → issuer ticker, exact match only, with method and refusal reasons
      x-source: https://www.hillsignal.com/api/wire
      parameters:
      - name: name
        in: query
        required: false
        schema:
          type: string
      - name: parent
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/wire/firehose:
    get:
      operationId: get_api_wire_firehose
      tags:
      - Api
      summary: cursor-paginated pull log
      x-source: https://www.hillsignal.com/api/wire
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/wire/health:
    get:
      operationId: get_api_wire_health
      tags:
      - Api
      summary: per-source capture-latency SLA + integrity + entity-resolution coverage
      x-source: https://www.hillsignal.com/api/wire
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/wire/stream:
    get:
      operationId: get_api_wire_stream
      tags:
      - Api
      summary: Server-Sent Events push
      x-source: https://www.hillsignal.com/api/wire
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
components:
  schemas:
    GetApiMcpResponse:
      type: object
      properties:
        jsonrpc:
          type: string
          description: JSON‑RPC version.
        id:
          type: integer
          description: Request identifier.
        result:
          type: object
          description: Result of the called method.
        error:
          type: object
          description: Error object if the call failed.
    GetApiV1Response:
      type: object
      properties:
        endpoints:
          type: array
          description: List of available REST endpoints.
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
security:
- bearer: []
tags:
- name: Api