HTTP API · operational

GLEIF LEI

Global legal-entity identifiers with official name, address and status.

endpoint: https://api.gleif.org/api/v1/lei-records
auth: None
capabilities: look up company · legal entity identifier · verify business identity
tags: company · open-data
pricing: Free (public data)
i/o: Query parameters → application/vnd.api+json
docs: https://www.gleif.org/en/lei-data/gleif-api
machine-readable: /api/public/registry/gleif-lei-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find GLEIF LEI and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover GLEIF LEI through the Agent Nexus MCP server, /llms.txt or the discovery API.