api-ninjas-com

api-ninjas-com Finance API

The Finance API from api-ninjas-com — 11 operation(s) for finance.

GitHub OpenAPI

Operations 11

GET /v2/bin Lookup bank information by BIN #
GET /v1/convertcurrency Converts an existing currency and amount into a new currency #
GET /v1/currencyvolatility Latest realized volatility, volatility cone, and percentile context for a… #
GET /v1/currencyvolatilityhistorical Historical time series of rolling volatility for a currency pair #
GET /v1/currencyvolatilityforecast EWMA and GARCH(1,1) volatility forecasts for a currency pair #
GET /v1/marketcap Get market cap data for a given company ticker #
GET /v1/salestax Get sales tax information by ZIP code, city, or state #
GET /v1/salestaxfiling US sales tax filing due dates, frequencies and prepayment schedules (premium… #
GET /v1/salestaxholidays US sales tax holidays: dates, eligible categories and price caps #
GET /v1/salestaxnexus Check US sales tax economic nexus thresholds and whether a seller has crossed… #
GET /v1/salestaxratechanges Upcoming US sales tax rate changes by state, county, city and district (premium… #

Documentation

📖
Documentation
https://api-ninjas.com/guides
📖
APIReference
https://api-ninjas.com/openapi.json

Specifications

⚙
OpenAPI
https://artifacts.apis.io/api-ninjas-com/openapi/api-ninjas-com-finance-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-zip-code-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-geocoding-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-university-schema.json
📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-sports-game-schema.json
📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-holiday-schema.json
📊
JSONSchema
https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-layoff-notice-schema.json

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/api-ninjas-com:api-ninjas-com-finance-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

api-ninjas-com-finance-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Ninjas Finance API
  description: 'Combined OpenAPI specification for every API Ninjas endpoint. Requests go to https://api.api-ninjas.com with an `X-Api-Key` header; get a free key at https://api-ninjas.com/register. Human-readable docs: https://api-ninjas.com/api. Index for LLMs: https://api-ninjas.com/llms.txt.'
  version: 1.0.0
  contact:
    name: API Ninjas
    url: https://api-ninjas.com
  license:
    name: Proprietary
servers:
- url: https://api.api-ninjas.com
  description: API Ninjas Production
security:
- ApiKeyAuth: []
tags:


# --- truncated at 32 KB (57 KB total) ---
# Full source: https://artifacts.apis.io/api-ninjas-com/openapi/api-ninjas-com-finance-api-openapi.yml