Operations 64
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
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.curl "https://apis.io/api/v1/apis/alion-io:alion-io-mcp-api"curl "https://apis.io/api/v1/apis?limit=25"Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
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openapi: 3.2.0
info:
title: 'Alion: company, startup and market intelligence MCP API'
version: 1.4.0
description: 'Plain-HTTP twin of the Alion MCP server. Every tool is also a GET/POST endpoint. Send "Authorization: Bearer " (a key from https://alion.io/developers/keys); calls are paid from the account''s credits. Or pay a paid tool per call in USDC with x402 (https://x402.org), no account: call it without a key, sign one of the offers in the PAYMENT-REQUIRED header of its 402 and repeat the call with the PAYMENT-SIGNATURE header; or with MPP (https://paymentauth.org): answer a WWW-Authenticate: Payment challenge with Authorization: Payment (USDC on Base or Solana, a transfer you sign or have sent). Docs: https://alion.io/developers'
contact:
name: Alion
url: https://alion.io/developers
email: info@alion.io
x-guidance: 'Start with search_companies or search_jobs (detail="compact", a small limit): an x402 call is priced at the limit it asks for, from $0.01. get_company takes a domain or a name directly for the full profile (funding, hiring, stack, offices, visa), similar_companies for lookalikes; resolve_company is free with no key or payment (a subnet''s 200 a day) and says which company a name or a domain means; get_job reads one posting in full; market_stats answers demand, pay percentiles and top employers of a role in a country without paging. Pay with an API key (Authorization: Bearer or X-Api-Key) from an Alion account, or per call with x402 v2: the 402 of a keyless call carries PAYMENT-REQUIRED (USDC on Base, Solana or Ethereum); repeat the same call with PAYMENT-SIGNATURE. Only an answer is charged; a refusal of the tool (not_found, invalid_params) leaves the payment unsettled for the corrected call. A wallet that signs in with SIWX (the sign-in-with-x extension of the 402, EIP-4361 on Base or SIWS on Solana, sent back as the SIGN-IN-WITH-X header) reads compact pages of search_companies, similar_companies and search_jobs (up to 20 rows) free, 50 a day. Paginate with next_cursor.'
servers:
- url: https://alion.io
security:
- {}
- bearer: []
- apiKey: []
tags:
# --- truncated at 32 KB (657 KB total) ---
# Full source: https://artifacts.apis.io/alion-io/openapi/alion-io-mcp-api-openapi.yml