fourzerotwo-si

fourzerotwo-si Sec Tickers API

SEC Ticker Map: Every US-listed ticker mapped to its company name and SEC CIK.

Documentation GitHub OpenAPI

Operations 2

GET /v1/sec-tickers/all SEC Ticker Map: Ticker → CIK map #

GET /v1/sec-tickers/exchange SEC Ticker Map: Tickers with exchange #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/fourzerotwo-si/openapi/fourzerotwo-si-sec-tickers-api-openapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

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/fourzerotwo-si:fourzerotwo-si-sec-tickers-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: Fourzerotwo Si Sec Tickers API
  version: 1.1.0
  contact:
    url: https://fourzerotwo.si
  description: 'Operations tagged sec-tickers across 2 of this provider''s published API definitions: openapi.json, fourzerotwo-si-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://fourzerotwo.si
tags:
- name: sec-tickers
  description: 'SEC Ticker Map: Every US-listed ticker mapped to its company name and SEC CIK.'
paths:
  /v1/sec-tickers/all:
    get:
      operationId: sec_tickers__all
      summary: 'SEC Ticker Map: Ticker → CIK map'
      description: 'All tickers with CIK and company name (~10k rows). Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - sec-tickers
      externalDocs:
        url: https://fourzerotwo.si/apis/sec-tickers/all
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.002000'
      x-free-tier: free
      x-mcp-tool: sec-tickers__all
    servers:
    - url: https://fourzerotwo.si
  /v1/sec-tickers/exchange:
    get:
      operationId: sec_tickers__exchange
      summary: 'SEC Ticker Map: Tickers with exchange'
      description: 'All tickers with CIK, name and listing exchange. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - sec-tickers
      externalDocs:
        url: https://fourzerotwo.si/apis/sec-tickers/exchange
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.002000'
      x-free-tier: free
      x-mcp-tool: sec-tickers__exchange
    servers:
    - url: https://fourzerotwo.si
components:
  responses:
    PaymentRequired:
      description: x402 payment required. The body (also base64 in the PAYMENT-REQUIRED header) lists accepted payments.
      headers:
        PAYMENT-REQUIRED:
          schema:
            type: string
          description: Base64 JSON x402 v2 PaymentRequired
      content:
        application/json:
          schema:
            type: object
            properties:
              x402Version:
                type: integer
              error:
                type: string
              accepts:
                type: array
                items:
                  type: object
    Error:
      description: 400 = invalid input, 404 = not found at the source, 502 = the source failed. Never charged.
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
              charged:
                type: boolean
  securitySchemes:
    freeKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: Optional free key (fzt_…) for the free tier.
x-refined-from:
- openapi.json
- fourzerotwo-si-openapi.json