Ambolt LEI API
The LEI API from Ambolt — 1 operation(s) for lei.
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.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/ambolt-dev:ambolt-dev-lei-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.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: Ambolt data tools LEI API
version: 0.1.1
description: Pay-per-call data endpoints using the x402 protocol (USDC on Base, Polygon and Solana). Failed calls are not charged.
x-guidance: 'Call GET /v1/<tool> with the documented query parameters. Without payment the response is 402 with the price and payment requirements; an x402 client pays in USDC and retries. Add free=1 for one free call per tool and IP per day. Company, tender, document, rates, on-chain and web tools; every response carries source and date. The same tools are available as MCP tools at /mcp (free, 30 requests a minute) and as Apify Actors. Company-level data only: no personal data.'
contact:
email: hello@ambolt.dev
url: https://ambolt.dev
servers:
- url: https://api.ambolt.dev
security: []
tags:
- name: LEI
paths:
/v1/lei-lookup:
get:
operationId: lei_lookup
summary: 'LEI Lookup: Legal Entity Identifier by LEI or Company Name'
description: Look up a Legal Entity Identifier (LEI) record by 20-character LEI, or search legal entities by name and country. Returns legal name, registry number, legal form, addresses and LEI registration status. Company-level data only.
tags:
- LEI
parameters:
- name: lei
in: query
required: false
schema:
type: string
pattern: ^[A-Za-z0-9]{20}$
description: Exact 20-character LEI. If set, name and country are ignored.
description: Exact 20-character LEI. If set, name and country are ignored.
- name: name
in: query
required: false
schema:
type: string
maxLength: 120
description: Legal name to search (exact match on registered legal name, e.g. "Novo Nordisk A/S").
description: Legal name to search (exact match on registered legal name, e.g. "Novo Nordisk A/S").
- name: country
in: query
required: false
schema:
type: string
pattern: ^[A-Za-z]{2}$
description: ISO 3166 country code of the legal address, e.g. DK.
description: ISO 3166 country code of the legal address, e.g. DK.
- name: limit
in: query
required: false
schema:
type: integer
minimum: 1
maximum: 50
default: 10
description: Maximum records for a name search.
description: Maximum records for a name search.
- name: free
in: query
required: false
schema:
type: string
enum:
- '1'
description: Set to 1 for one free call per tool and IP address per day (no payment).
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.005000'
protocols:
- x402: {}
responses:
'200':
description: Result (JSON). Every result names its source and the time it was read.
content:
application/json:
schema:
type: object
'400':
description: Invalid input; not charged.
'402':
description: 'Payment required: 0.005 USD in USDC (x402 v2).'