Fuentio Graph API
The graph API from Fuentio — 1 operation(s) for graph.
The graph API from Fuentio — 1 operation(s) for graph.
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openapi: 3.2.0
info:
title: Fuentio Graph API
summary: Verify any company in France, Spain or the United Kingdom in one call, with sources an auditor accepts.
description: 'Start here: the sandbox quickstart (curl examples, a Postman collection, MCP setup and companies to try). What each outcome means: /docs/outcomes. Errors: /docs/errors.'
version: 0.1.0
tags:
- name: Graph
paths:
/v1/entities/{entity_id}/graph:
get:
tags:
- Graph
summary: The company graph around an entity
description: 'A company''s group around one Fuentio entity: company-to-company links from GLEIF only (direct and ultimate parents, children), every edge with its source and the record that proves it, and ownership signals (beneficial owners not covered). `depth` 1 or 2; no people, no director links (ADR-065). Needs an API key. Costs `STARTAPI_GRAPH_UNITS` units (2).'
operationId: get_entity_graph_v1_entities__entity_id__graph_get
parameters:
- name: entity_id
in: path
required: true
schema:
type: string
maxLength: 20
examples:
- fu_7K3M9Q2XH4PZ
title: Entity Id
- name: depth
in: query
required: false
schema:
type: integer
maximum: 2
minimum: 1
description: 1 or 2.
default: 1
title: Depth
description: 1 or 2.
responses:
'200':
description: Successful Response
content:
application/json:
schema:
type: object
additionalProperties: true
title: Response Get Entity Graph V1 Entities Entity Id Graph Get
'401':
content:
application/json:
examples:
unauthorized:
value:
meta:
request_id: req_example
error:
code: unauthorized
message: This API key is unknown or revoked.
hint: Get a free key with POST /v1/keys, or call without a key for the keyless trial (20 units a day).
docs_url: https://api.fuentio.com/docs/errors#unauthorized
description: Unauthorized
'402':
content:
application/json:
examples:
quota_exceeded:
value:
meta:
request_id: req_example
error:
code: quota_exceeded
message: 'Quota used up: 20 of 20 units today.'
hint: Get a free key (100 units a month) with POST /v1/keys.
docs_url: https://api.fuentio.com/docs/errors#quota_exceeded
details:
limit: 20
used: 20
resets: '2026-10-06'
description: Payment Required
'429':
content:
application/json:
examples:
rate_limited:
value:
meta:
request_id: req_example
error:
code: rate_limited
message: 'Too many requests: the Trial (no key) plan allows 1 per second.'
hint: Retry after 0.4 seconds.
docs_url: https://api.fuentio.com/docs/errors#rate_limited
details:
retry_after: 1
description: Too Many Requests
'500':
content:
application/json:
examples:
internal_error:
value:
meta:
request_id: req_example
error:
code: internal_error
message: Something went wrong on our side.
hint: Retry later; quote the request_id if you contact support.
docs_url: https://api.fuentio.com/docs/errors#internal_error
description: Internal Server Error
'503':
content:
application/json:
examples:
upstream_unavailable:
value:
meta:
request_id: req_example
error:
code: upstream_unavailable
message: The official source (Annuaire des Entreprises (API Recherche d'entreprises)) is not answering right now.
hint: Retry in a minute.
docs_url: https://api.fuentio.com/docs/errors#upstream_unavailable
details:
source: fr_recherche_entreprises
reason: timeout
description: Service Unavailable