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/lookip-service-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: Lookip Service API
version: 1.0.0
summary: IP geolocation, ASN and VPN/proxy/Tor/hosting detection for any IPv4 or IPv6 address — we name the anonymising service, not just flag it. Prepaid credit, metered per query, no subscription.
description: IP intelligence over plain HTTP GET and POST.
termsOfService: https://lookip.io/legal/terms
contact:
name: Lookip
url: https://lookip.io/docs
email: hi@lookip.io
servers:
- url: https://api.lookip.io
description: Production
security:
- bearerAuth: []
tags:
- name: Service
description: Service index, liveness and this document.
paths:
/:
get:
tags:
- Service
operationId: getServiceIndex
summary: Service Index
description: Service name, version, and the canonical endpoint list.
security: []
responses:
'200':
description: Service index.
content:
application/json:
schema:
$ref: '#/components/schemas/ServiceIndex'
examples:
index:
summary: The service index.
value:
service: lookip-api
version: '1.0'
docs: https://lookip.io/docs
openapi: /openapi.json
endpoints:
- /v1/lookup/lite/:ip
- /v1/lookup/max/:ip
- /v1/lookup/me
- /v1/batch/lite
- /v1/batch/max
- /v1/asn/:asn
- /v1/asn?q=&country=
- /openapi.json
/health:
get:
tags:
- Service
operationId: getHealth
summary: Liveness Probe
description: 'Always 200 with `ok: true` while the process is answering. `ok` is liveness and never depends on `lite`: a process whose Lite dataset failed to load is still alive and still serves every other endpoint, and reporting that in the status code would stop a container from ever becoming healthy. When `lite.loaded` is false every LITE lookup on this process answers 503 `lite_db_unavailable`, and `lite.datasetUpdatedAt` is null.'
security: []
responses:
'200':
description: The service is up.
content:
application/json:
schema:
$ref: '#/components/schemas/Health'
examples:
up:
summary: The service is up and the Lite dataset is in memory.
value:
ok: true
ts: 1786726485972
lite:
loaded: true
datasetUpdatedAt: '2026-08-22T04:11:07.000Z'
/openapi.json:
get:
tags:
- Service
operationId: getOpenApiDocument
summary: OpenAPI Document
description: This document.
security: []
responses:
'200':
description: The OpenAPI 3.1 description of this API.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenApiDocument'
examples:
head:
summary: The first fields of this document. The real body carries `paths` and `components`.
value:
openapi: 3.1.1
info:
title: Lookip API
version: 1.0.0
summary: IP geolocation, ASN and VPN/proxy/Tor/hosting detection for any IPv4 or IPv6 address — we name the anonymising service, not just flag it. Prepaid credit, metered per query, no subscription.
servers:
- url: https://api.lookip.io
description: Production
components:
schemas:
OpenApiDocument:
type: object
title: OpenApiDocument
description: This document. The example beside it is the first few fields only; the served body also carries the full `paths` and `components` objects.
properties:
openapi:
type: string
description: Version of the OpenAPI specification this document is written to.
pattern: ^3\.1\.\d+$
info:
type: object
description: Identity, version and contact details for the API.
properties:
title:
type: string
description: Human name of the API.
version:
type: string
description: Version of the API this document describes.
summary:
type: string
description: One-line description. An OpenAPI 3.1 field; absent in 3.0.
description:
type: string
description: Long-form description, in Markdown.
termsOfService:
type: string
description: Terms of service.
format: uri
contact:
type: object
description: Who to contact about the API.
properties:
name:
type: string
description: Contact name.
url:
type: string
description: Contact URL.
format: uri
email:
type: string
description: Contact email address.
required:
- title
- version
externalDocs:
type: object
description: The human documentation this API is described by.
properties:
description:
type: string
description: Link text.
url:
type: string
description: Absolute URL.
format: uri
required:
- url
servers:
type: array
description: Base URLs the operations below are relative to.
items:
type: object
properties:
url:
type: string
description: Absolute base URL.
format: uri
description:
type: string
description: What this server is.
required:
- url
security:
type: array
description: The security requirement applied to every operation that does not override it.
items:
type: object
description: Scheme name to required scopes.
tags:
type: array
description: Operation groupings, in the order a renderer should show them.
items:
type: object
properties:
name:
type: string
description: Tag name.
description:
type: string
description: What the group is.
required:
- name
paths:
type: object
description: Every operation, keyed by path template.
propertyNames:
type: string
pattern: ^/
components:
type: object
description: The reusable schemas and security schemes the operations `$ref`.
properties:
schemas:
type: object
description: Every schema a response or body `$ref`s.
securitySchemes:
type: object
description: How to authenticate.
required:
- openapi
- info
Health:
type: object
title: Health
properties:
ok:
type: boolean
description: Liveness only. Always true on a response at all, and deliberately independent of `lite` — a process with no dataset is still alive and still serves every other endpoint.
ts:
type: integer
description: Server time in milliseconds since the epoch.
lite:
$ref: '#/components/schemas/LiteReaderHealth'
required:
- ok
- ts
- lite
LiteReaderHealth:
type: object
title: LiteReaderHealth
description: 'Whether the process answering this request holds the Lite dataset in memory. The file existing on disk is a different fact: a failed load leaves a current snapshot unread while every LITE lookup answers 503.'
properties:
loaded:
type: boolean
description: False means every LITE lookup on this process is answering 503.
datasetUpdatedAt:
type:
- string
- 'null'
format: date-time
description: When the dataset THIS process loaded was last written. Null while nothing is loaded. Older than the file on disk means the process never picked up a refresh.
required:
- loaded
- datasetUpdatedAt
ServiceIndex:
type: object
title: ServiceIndex
properties:
service:
type: string
version:
type: string
docs:
type: string
format: uri
description: Absolute URL of the human documentation. Absolute because it is on the website, not on this host.
openapi:
type: string
description: Path to this document.
endpoints:
type: array
items:
type: string
required:
- service
- version
- endpoints
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: 'Send your key as `Authorization: Bearer <key>`. The `?token=` query parameter is no longer accepted — a credential in a URL lands in access logs, browser history and the Referer header, none of which can be un-sent.'
externalDocs:
description: API documentation
url: https://lookip.io/docs