emerging · -1.8 market domain

API Catalog

Score 20.4 / 100 16 providers 13 APIs Search apis.io →

Providers using this tag (16)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
APIs.ioAPI AggregationAPI DirectoryAPI DiscoveryAPI Indexing18 APIs71.0PostmanAI Agent BuilderAI AgentsAPI Client21 APIs67.2
Strong 3 Solid coverage with minor gaps
RedoclyArtificial IntelligenceAPI DocumentationArazzo12 APIs65.2Microsoft Azure API ManagementA2AAI GatewayAPI CenterAPI Gateway1 API61.8DatadogAnalyticsDashboardsMonitoringPlatform6 APIs58.5
Developing 4 Usable, with meaningful gaps to close
MuleSoftAPI GatewayAPI ManagementEnterpriseIntegration1 API52.7AxwayAPI ManagementEnterpriseIntegrationSecurity1 API50.8APIToolkit (Monoscope)AI ObservabilityAPI AnalyticsAPI Management1 API46.3Google ApigeeAPI GatewayAPI ManagementEnterpriseGoogle Cloud1 API45.1
Thin 4 Limited public surface area
SAP API ManagementAPI ManagementDeveloper PortalEnterpriseSAP1 API38.6_doneDeveloper Toolsutility-apisAI Agentsagent-native52 APIs38.4AmbassadorAPI DevelopmentGatewaysIngressKubernetes1 API37.4APIs.guruAPI DirectoryAPI DiscoveryCommunity1 API33.0
Emerging 3 Early or largely undocumented
APILayerAPI DiscoveryAPI MarketplaceDeveloper Tools1 API21.4ApivaultAPI DirectoryAPI DiscoveryOpen-Source1 API19.8DigitalAPIAPI AggregationAPI Marketplace1 API12.6

APIs with this tag (13)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 1 Complete, well-documented, and agent-ready
Postman apiCatalog APIThe apiCatalog API from Postman — 11 operation(s) for apicatalog.67.2
Strong 4 Solid coverage with minor gaps
Redocly RealmRedocly Realm is the comprehensive API lifecycle management platform that unifies Redoc, Revel, and Reef in...65.2Redocly ReefRedocly Reef is the internal API platform — a service catalog and governance product that organizes, aids d...65.2Azure API CenterAzure API Center is the design-time governance and centralized discovery counterpart to Azure API Managemen...61.8Datadog API Management APIThe API Management API allows you to create and manage APIs from OpenAPI specifications. It supports the Da...58.5
Developing 3 Usable, with meaningful gaps to close
MuleSoft Anypoint Exchange APIThe Anypoint Exchange API provides programmatic access to MuleSoft's asset marketplace, enabling discovery,...52.7Axway Amplify Central APIAxway Amplify Central is the unified API management hub that enables discovery, consumption, and governance...50.8Google Apigee API HubApigee API Hub is a centralized repository and governance platform for discovering, managing, and analyzing...45.1
Thin 3 Limited public surface area
SAP API Business Hub Enterprise APIThe SAP API Business Hub Enterprise (also called API Management Developer Portal) API enables programmatic ...38.6_done CatalogSingle-page agent-native catalog of the 26 _done pay-per-call utility APIs. Publishes a real llms.txt, a ro...38.4Ambassador Edge Stack Developer PortalThe Ambassador Edge Stack Developer Portal automatically detects and publishes API documentation, serving a...37.4
Emerging 2 Early or largely undocumented
ApivaultApivault is a free, open-source API directory that serves as a gateway to a world of public APIs. It catalo...19.8DigitalAPIDigitalAPI is an API catalog, marketplace, and management platform that unifies APIs across multiple gatewa...12.6

Score breakdown

Frequency
35.6
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
49.5
mean composite of providers using it
Cohesion
9.9
strength of nearest seed neighbor

Related tags

API Discovery 5 co-occurrences API Management 8 co-occurrences OpenAPI 6 co-occurrences Observability 5 co-occurrences Enterprise 6 co-occurrences MCP 5 co-occurrences Analytics 5 co-occurrences

Where this tag comes from

Api tag13
Provider tag8

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Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • 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.
All 92 tools →

Call it yourself

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This tag 
curl "https://apis.io/api/v1/tags/api-catalog"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/api-catalog"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/api-catalog/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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