Areas

The API Evangelist areas taxonomy — curated topic collections (authentication, webhooks, payments, …), each a scored provider index with its own site. Pro.

List and filter areas (Pro).

GET

https://apis.io/api/v1

/areas

The API Evangelist areas taxonomy — curated topic collections (authentication, webhooks, payments, …), each a scored provider index with its own site. Filter by free text; sort by provider count. Pro tier.

List and filter areas (Pro). › query Parameters

q

string · maxLength: 1024

Free-text query over name and description (and tags where applicable).

sort

string · enum · maxLength: 1024

Sort order.

Enum values:

provider_count

api_count

name

Default: provider_count

fields

string[] · maxItems: 1000 · style: form

Sparse fieldset — comma-separated property names to return.

page

integer · min: 1 · max: 1000000

1-based page number.

Default: 1

limit

integer · min: 1 · max: 100

Items per page.

Default: 25

List and filter areas (Pro). › Responses

List and filter areas.

AreaList

Meta · required

Pagination and echoed-query metadata for collection responses.

Area[] · maxItems: 1000 · required

GET/areas

curl https://apis.io/api/v1/areas

Example Responses

{
  "meta": {
    "total": 77,
    "page": 1,
    "limit": 2,
    "pages": 39,
    "query": {}
  },
  "data": [
    {
      "slug": "machine-learning",
      "name": "Machine Learning",
      "short": "",
      "description": "An index and topic collection covering machine learning APIs, MLOps platforms, model serving infrastructure, and inference providers. Machine learning APIs span the full ML…",
      "aliases": [],
      "provider_count": 1121,
      "api_count": 480,
      "area_url": "https://machine-learning.apievangelist.com",
      "area_host": "machine-learning.apievangelist.com",
      "icon": "https://machine-learning.apievangelist.com/icon-thumb.png",
      "_type": "area"
    },
    {
      "slug": "security",
      "name": "Security",
      "short": "",
      "description": "An index and topic collection covering API security, identity, access management, secrets management, encryption, and threat protection. API security spans the full lifecycle of…",
      "aliases": [],
      "provider_count": 796,
      "api_count": 849,
      "area_url": "https://security.apievangelist.com",
      "area_host": "security.apievangelist.com",
      "icon": "https://security.apievangelist.com/icon-thumb.png",
      "_type": "area"
    }
  ]
}

json

application/json

Get one area, with its ranked providers (Pro).

GET

https://apis.io/api/v1

/areas/{slug}

Returns a single area by slug, including its description, site link, counts, and the member providers ranked by score. Pro tier.

Get one area, with its ranked providers (Pro). › path Parameters

slug

string · maxLength: 1024 · required

Area slug (e.g. authentication).

Get one area, with its ranked providers (Pro). › query Parameters

fields

string[] · maxItems: 1000 · style: form

Sparse fieldset — comma-separated property names to return.

Get one area, with its ranked providers (Pro). › Responses

Get one area, with its ranked providers.

A curated API Evangelist area — a topic collection with its own scored provider index and dedicated site.

Area

slug

string · maxLength: 1024 · required

name

string · maxLength: 1024 · required

short

string · maxLength: 1024

One-line summary.

description

string · maxLength: 20000

aliases

string[] · maxItems: 1000

area_url

string · uri · maxLength: 2048

The area's dedicated site.

Example: https://authentication.apievangelist.com

area_host

string · maxLength: 1024

icon

string · maxLength: 1024

provider_count

integer · max: 1000

api_count

integer · max: 1000

RankedProvider[] · maxItems: 1000

Member providers, ranked by score. Returned on the single-area endpoint; omitted from list responses by default.

GET/areas/{slug}

curl https://apis.io/api/v1/areas/:slug

Example Responses

{
  "slug": "machine-learning",
  "name": "Machine Learning",
  "short": "",
  "description": "An index and topic collection covering machine learning APIs, MLOps platforms, model serving infrastructure, and inference providers. Machine learning APIs span the full ML…",
  "aliases": [],
  "area_url": "https://machine-learning.apievangelist.com",
  "area_host": "machine-learning.apievangelist.com",
  "icon": "https://machine-learning.apievangelist.com/icon-thumb.png",
  "provider_count": 1121,
  "api_count": 480,
  "providers": {
    "total": 30,
    "top": [
      {
        "slug": "anthropic",
        "name": "Anthropic",
        "description": "Anthropic is an AI safety company and creator of the Claude family of large language models (Opus, Sonnet, Haiku). The Claude API provides access to Claude models for text generation, vision, tool use, extended thinking, batch processing, and agentic workflows including managed agents, skills, memo…",
        "api_count": 24,
        "score_band": "exemplar",
        "score_composite": 68.9,
        "shared": 1
      },
      {
        "slug": "google-analytics",
        "name": "Google Analytics",
        "description": "Google Analytics provides data and insights about website and app usage, enabling businesses to understand their audience and optimize their digital properties through customer-centric measurement, machine learning insights, and cross-platform attribution.",
        "api_count": 13,
        "score_band": "exemplar",
        "score_composite": 68.4,
        "shared": 1
      }
    ]
  },
  "_type": "area",
  "members_note": "Top 2 shown per list. Use find_providers?area=machine-learning for the full, ranked, paginated set. view=full returns every member here."
}

json

application/json

Top-rated providers in a curated area.

GET

https://apis.io/api/v1

/areas/{slug}/leaders

Returns the highest-composite-scoring member providers of a curated API Evangelist area.

Top-rated providers in a curated area. › path Parameters

slug

string · maxLength: 1024 · required

Area slug (e.g. authentication).

Top-rated providers in a curated area. › query Parameters

limit

integer · min: 1 · max: 100

Items per page.

Default: 25

Top-rated providers in a curated area. › Responses

A page of the area's top providers.

Regions Synthesis

APIs.io API

Areas

The API Evangelist areas taxonomy — curated topic collections (authentication, webhooks, payments, …), each a scored provider index with its own site. Pro.

List and filter areas (Pro).

GET

https://apis.io/api/v1

/areas

List and filter areas (Pro). › query Parameters

q

string · maxLength: 1024

Free-text query over name and description (and tags where applicable).

sort

string · enum · maxLength: 1024

Sort order.

Enum values:

provider_count

api_count

name

Default: provider_count

fields

string[] · maxItems: 1000 · style: form

Sparse fieldset — comma-separated property names to return.

page

integer · min: 1 · max: 1000000

1-based page number.

Default: 1

limit

integer · min: 1 · max: 100

Items per page.

Default: 25

List and filter areas (Pro). › Responses

List and filter areas.

AreaList

Meta · required

Pagination and echoed-query metadata for collection responses.

Area[] · maxItems: 1000 · required

GET/areas

curl https://apis.io/api/v1/areas

Example Responses

{
  "meta": {
    "total": 77,
    "page": 1,
    "limit": 2,
    "pages": 39,
    "query": {}
  },
  "data": [
    {
      "slug": "machine-learning",
      "name": "Machine Learning",
      "short": "",
      "description": "An index and topic collection covering machine learning APIs, MLOps platforms, model serving infrastructure, and inference providers. Machine learning APIs span the full ML…",
      "aliases": [],
      "provider_count": 1121,
      "api_count": 480,
      "area_url": "https://machine-learning.apievangelist.com",
      "area_host": "machine-learning.apievangelist.com",
      "icon": "https://machine-learning.apievangelist.com/icon-thumb.png",
      "_type": "area"
    },
    {
      "slug": "security",
      "name": "Security",
      "short": "",
      "description": "An index and topic collection covering API security, identity, access management, secrets management, encryption, and threat protection. API security spans the full lifecycle of…",
      "aliases": [],
      "provider_count": 796,
      "api_count": 849,
      "area_url": "https://security.apievangelist.com",
      "area_host": "security.apievangelist.com",
      "icon": "https://security.apievangelist.com/icon-thumb.png",
      "_type": "area"
    }
  ]
}

json

application/json

Get one area, with its ranked providers (Pro).

GET

https://apis.io/api/v1

/areas/{slug}

Returns a single area by slug, including its description, site link, counts, and the member providers ranked by score. Pro tier.

Get one area, with its ranked providers (Pro). › path Parameters

slug

string · maxLength: 1024 · required

Area slug (e.g. authentication).

Get one area, with its ranked providers (Pro). › query Parameters

fields

string[] · maxItems: 1000 · style: form

Sparse fieldset — comma-separated property names to return.

Get one area, with its ranked providers (Pro). › Responses

Get one area, with its ranked providers.

A curated API Evangelist area — a topic collection with its own scored provider index and dedicated site.

Area

slug

string · maxLength: 1024 · required

name

string · maxLength: 1024 · required

short

string · maxLength: 1024

One-line summary.

description

string · maxLength: 20000

aliases

string[] · maxItems: 1000

area_url

string · uri · maxLength: 2048

The area's dedicated site.

Example: https://authentication.apievangelist.com

area_host

string · maxLength: 1024

icon

string · maxLength: 1024

provider_count

integer · max: 1000

api_count

integer · max: 1000

RankedProvider[] · maxItems: 1000

Member providers, ranked by score. Returned on the single-area endpoint; omitted from list responses by default.

GET/areas/{slug}

curl https://apis.io/api/v1/areas/:slug

Example Responses

{
  "slug": "machine-learning",
  "name": "Machine Learning",
  "short": "",
  "description": "An index and topic collection covering machine learning APIs, MLOps platforms, model serving infrastructure, and inference providers. Machine learning APIs span the full ML…",
  "aliases": [],
  "area_url": "https://machine-learning.apievangelist.com",
  "area_host": "machine-learning.apievangelist.com",
  "icon": "https://machine-learning.apievangelist.com/icon-thumb.png",
  "provider_count": 1121,
  "api_count": 480,
  "providers": {
    "total": 30,
    "top": [
      {
        "slug": "anthropic",
        "name": "Anthropic",
        "description": "Anthropic is an AI safety company and creator of the Claude family of large language models (Opus, Sonnet, Haiku). The Claude API provides access to Claude models for text generation, vision, tool use, extended thinking, batch processing, and agentic workflows including managed agents, skills, memo…",
        "api_count": 24,
        "score_band": "exemplar",
        "score_composite": 68.9,
        "shared": 1
      },
      {
        "slug": "google-analytics",
        "name": "Google Analytics",
        "description": "Google Analytics provides data and insights about website and app usage, enabling businesses to understand their audience and optimize their digital properties through customer-centric measurement, machine learning insights, and cross-platform attribution.",
        "api_count": 13,
        "score_band": "exemplar",
        "score_composite": 68.4,
        "shared": 1
      }
    ]
  },
  "_type": "area",
  "members_note": "Top 2 shown per list. Use find_providers?area=machine-learning for the full, ranked, paginated set. view=full returns every member here."
}

json

application/json

Top-rated providers in a curated area.

GET

https://apis.io/api/v1

/areas/{slug}/leaders

Returns the highest-composite-scoring member providers of a curated API Evangelist area.

Top-rated providers in a curated area. › path Parameters

slug

string · maxLength: 1024 · required

Area slug (e.g. authentication).

Top-rated providers in a curated area. › query Parameters

limit

integer · min: 1 · max: 100

Items per page.

Default: 25

Top-rated providers in a curated area. › Responses

A page of the area's top providers.

Regions Synthesis