Tags

Browse APIs by what they do — faceted, scored, and ranked across the apis.io network.

15475 scored tags 126 canonical 455 established 742 emerging

Canonical tags 126 core

The most broadly-adopted, quality-lifted, well-clustered tags across the network.

Artificial Intelligence 57.9
3617 providers573 APIs
domain
Fintech 46.2
1941 providers38 APIs
industry
Payments 45.8
1460 providers980 APIs
resource · domain
E-Commerce 45.5
1656 providers329 APIs
domain
MCP 45.0
1238 providers1019 APIs
schema
Identity Federation 43.8
286 providers245 APIs
domain · schema · industry
Webhook 43.1
639 providers1410 APIs
resource · schema
OAI-PMH 41.6
151 providers302 APIs
schema · industry
Higher Education 41.0
327 providers10 APIs
industry
University 40.7
261 providers10 APIs
industry
Healthcare 40.3
2011 providers181 APIs
industry
Blockchain 39.6
690 providers158 APIs
domain · schema
SAML 39.3
49 providers292 APIs
domain · schema
Research Data 39.0
161 providers242 APIs
industry
Authentication 38.7
384 providers1856 APIs
action
Retail 38.7
1034 providers87 APIs
industry
Analytics 38.0
984 providers739 APIs
domain
Financial-Services 37.9
1145 providers72 APIs
industry
User 37.7
7 providers1595 APIs
resource
Agents 37.6
413 providers702 APIs
domain · schema
Education 37.5
722 providers124 APIs
industry
Library 37.4
159 providers322 APIs
industry
Developer Tools 37.3
960 providers192 APIs
persona · schema
Web3 37.2
527 providers58 APIs
domain · schema
Machine-Learning 37.2
1105 providers155 APIs
domain
Research Repository 36.9
145 providers155 APIs
industry
CKAN 36.8
183 providers207 APIs
schema · industry
Open Data 36.5
558 providers534 APIs
schema · industry · resource
Open Access 36.3
132 providers232 APIs
industry
JSON 35.7
19 providers271 APIs
schema
Account 35.7
15 providers957 APIs
resource
Shibboleth 35.7
34 providers190 APIs
schema · industry
Consumer 35.6
1341 providers22 APIs
domain · industry
SSO 35.4
80 providers305 APIs
domain
Order 35.4
92 providers697 APIs
resource
Data Catalog 35.3
210 providers25 APIs
resource
Marketing 35.2
527 providers98 APIs
domain
Security 35.2
817 providers501 APIs
domain
Posts 35.2
3 providers166 APIs
resource
Market Data 35.1
270 providers307 APIs
resource · domain
Catalog 35.0
52 providers662 APIs
resource
DCAT 35.0
185 providers8 APIs
schema · industry
AI Agents 34.7
753 providers171 APIs
domain · schema
FHIR 34.7
169 providers164 APIs
schema · industry
Action API 34.7
0 providers170 APIs
resource
Event 34.6
189 providers1120 APIs
resource
Search 34.5
187 providers908 APIs
action · domain
REST 34.5
144 providers1016 APIs
schema
Government Data 34.3
192 providers3 APIs
industry
Observability 34.3
336 providers214 APIs
domain
Compliance 34.2
741 providers280 APIs
domain
Contacts 34.1
54 providers312 APIs
domain · resource
Life Sciences 34.1
1083 providers9 APIs
industry
Marketplace 33.9
958 providers164 APIs
domain
CRM 33.8
360 providers189 APIs
domain
Monitoring 33.8
204 providers283 APIs
action
Media 33.8
553 providers318 APIs
industry
Transaction 33.7
38 providers559 APIs
resource
Research 33.7
360 providers239 APIs
industry
Messaging 33.7
338 providers251 APIs
domain
Data Sources 33.6
1 providers81 APIs
domain
Campaigns 33.6
43 providers211 APIs
resource · domain
Logistics 33.4
658 providers144 APIs
domain
Supply Chain 33.2
614 providers98 APIs
domain
Project 33.1
11 providers587 APIs
resource
SMS 33.0
163 providers97 APIs
domain
Product 32.9
48 providers569 APIs
resource
Real-Time 32.8
195 providers351 APIs
schema
GraphQL 32.8
380 providers731 APIs
schema
Metadata 32.8
70 providers537 APIs
resource
Workflows 32.7
156 providers341 APIs
resource · action
Task 32.7
25 providers378 APIs
resource
Interoperability 32.7
174 providers83 APIs
domain
Identity 32.6
298 providers489 APIs
domain
Banking 32.6
542 providers155 APIs
industry
Energy 32.5
683 providers96 APIs
industry
Database 32.4
206 providers200 APIs
domain · schema
Reports 32.4
4 providers418 APIs
resource
LLM 32.3
328 providers154 APIs
domain
Trading 32.3
263 providers135 APIs
action · domain
Metrics 32.2
50 providers342 APIs
resource · domain
Integration 32.2
147 providers584 APIs
action · domain
Customers 32.1
16 providers435 APIs
resource · persona
Advertising 32.0
401 providers119 APIs
domain
Email Marketing 32.0
81 providers26 APIs
domain
Conversations 31.9
15 providers154 APIs
domain
Notification 31.9
42 providers447 APIs
resource · action · domain
Models 31.9
4 providers220 APIs
resource
Tags 31.8
2 providers396 APIs
resource
Email 31.8
178 providers177 APIs
domain
Documents 31.8
69 providers481 APIs
resource
Invoices 31.8
26 providers302 APIs
resource
Automation 31.7
493 providers357 APIs
action
Connections 31.7
1 providers125 APIs
resource
Kubernetes 31.7
272 providers182 APIs
schema
Subscribers 31.5
11 providers48 APIs
resource · domain
Video 31.5
383 providers248 APIs
action · domain
DevOps 31.5
334 providers65 APIs
domain
Cryptocurrency 31.5
402 providers126 APIs
domain
Ingest 31.5
1 providers48 APIs
resource · action
Attachments 31.5
1 providers111 APIs
resource
Application 31.4
39 providers437 APIs
resource
Course Catalog 31.4
89 providers68 APIs
industry
PropTech 31.3
300 providers3 APIs
industry
Taxonomy 31.3
6 providers118 APIs
action · domain · resource
Sessions 31.3
13 providers328 APIs
resource
PayID 31.3
5 providers3 APIs
domain
PayTo 31.3
5 providers5 APIs
domain
Open Banking 31.3
267 providers112 APIs
domain · industry
Segments 31.2
7 providers78 APIs
resource · domain
Group 31.2
4 providers411 APIs
resource
APIKeys 31.2
3 providers219 APIs
resource
DeFi 31.1
294 providers48 APIs
domain
SDK 31.1
352 providers651 APIs
schema
File 31.1
3 providers405 APIs
resource
Billing 31.0
152 providers279 APIs
domain
Manufacturing 31.0
858 providers60 APIs
industry
Content 31.0
249 providers468 APIs
resource · domain
Custom Fields 30.9
2 providers105 APIs
resource
Human Resources 30.9
454 providers76 APIs
domain
Streaming 30.9
284 providers362 APIs
action · schema
Enterprise 30.9
564 providers172 APIs
action · domain
WebSocket 30.9
97 providers267 APIs
schema
Cluster 30.8
1 providers175 APIs
resource
Subscription 30.7
257 providers450 APIs
resource
Alerts 30.7
29 providers245 APIs
action · resource · domain

Resource 1426 tags — showing top 40

Nouns — what is being managed (Users

Payments 146045.8 Webhook 63943.1 Platform-as-a-Service 4338.6 User 737.7 Self-Hosted 6936.7 Open Data 55836.5 Account 1535.7 Order 9235.4 Data Catalog 21035.3 Posts 335.2 Market Data 27035.1 Catalog 5235.0 Action API 034.7 Event 18934.6 Companies 834.4 Contacts 5434.1 Transaction 3833.7 Campaigns 4333.6 Project 1133.1 Product 4832.9 Metadata 7032.8 Workflows 15632.7 Task 2532.7 Reports 432.4 Metrics 5032.2 Customers 1632.1 Notification 4231.9 Models 431.9 Tags 231.8 Documents 6931.8 Invoices 2631.8 Connections 131.7 Ingest 131.5 Subscribers 1131.5 Attachments 131.5 Application 3931.4 Sessions 1331.3 Taxonomy 631.3 Segments 731.2 Group 431.2

Action 613 tags — showing top 40

Orders

Authentication 38438.7 Search 18734.5 Monitoring 20433.8 Workflows 15632.7 Trading 26332.3 Integration 14732.2 Notification 4231.9 Automation 49331.7 Ingest 131.5 Video 38331.5 Taxonomy 631.3 Enterprise 56430.9 Streaming 28430.9 Alerts 2930.7 Checkout 10230.4 Discovery 3730.3 Payouts 8830.0 Shipping 19129.6 Authorization 6929.3 Refunds 1629.3 Image 5729.2 Invoicing 17429.2 Disputes 929.1 Video Generation 7029.0 Inference 12028.8 Payment Methods 128.6 Data Integration 10328.5 Agentic Commerce 23728.4 Bank Accounts 228.1 Commerce 20728.1 Speech-to-Text 5127.9 Scheduling 21827.8 Datastore 127.7 Tracking 5527.7 Configuration 727.7 Management 627.4 Shipments 727.2 Platform 7727.2 Deprecated 1026.9 User Management 526.9

Persona 63 tags — showing top 40

Webhooks)

Developer Tools 96037.3 Customers 1632.1 Sales 16530.0 Developer Portal 3426.4 Articles 1225.0 Enrichment 1624.9 Partners 324.8 Lead Generation 10624.6 Sales Intelligence 8224.5 Tickets 1224.1 Go-To-Market 5923.7 Sales Automation 4923.7 Revenue Operations 6723.3 Support 1123.3 Sales Enablement 7023.3 API Documentation 2022.2 Ticketing 10222.2 Salesforce 6521.8 Sales Engagement 3721.7 Referrals 1721.7 Outbound 1021.6 Prospecting 2421.3 Contact Data 1720.9 Developer Experience 3420.7 Developers 2220.3 Operator 520.2 WHOIS 1320.1 Affiliates 2419.8 Partner API 6419.7 Revenue Intelligence 2119.5 Revenue Enablement 518.9 Addons 018.9 Package Registry 1318.8 Software Catalog 718.2 API Marketplace 1017.9 Interactive Demos 517.4 Internal Developer Platform 1116.6 Azure API Management 516.2 Nexus 316.0 NuGet 415.7

Domain 2824 tags — showing top 40

Verbs — what you do with the API (Search

Company 1575571.5 Artificial Intelligence 361757.9 Payments 146045.8 E-Commerce 165645.5 Identity Federation 28643.8 Blockchain 69039.6 SAML 4939.3 Analytics 98438.0 Agents 41337.6 Web3 52737.2 Machine-Learning 110537.2 Self-Hosted 6936.7 Consumer 134135.6 SSO 8035.4 Marketing 52735.2 Security 81735.2 Market Data 27035.1 AI Agents 75334.7 Software-as-a-Service 101134.7 Search 18734.5 Companies 834.4 Observability 33634.3 Compliance 74134.2 Contacts 5434.1 Marketplace 95833.9 CRM 36033.8 Messaging 33833.7 Data Sources 133.6 Campaigns 4333.6 Logistics 65833.4 Supply Chain 61433.2 SMS 16333.0 Interoperability 17432.7 Identity 29832.6 Database 20632.4 LLM 32832.3 Trading 26332.3 Metrics 5032.2 Integration 14732.2 Email Marketing 8132.0

Schema 860 tags — showing top 40

Authentication

MCP 123845.0 Identity Federation 28643.8 Webhook 63943.1 OAI-PMH 15141.6 Blockchain 69039.6 SAML 4939.3 Agents 41337.6 Developer Tools 96037.3 Web3 52737.2 CKAN 18336.8 Self-Hosted 6936.7 Open Data 55836.5 JSON 1935.7 Shibboleth 3435.7 DCAT 18535.0 FHIR 16934.7 AI Agents 75334.7 REST 14434.5 Real-Time 19532.8 GraphQL 38032.8 Database 20632.4 Kubernetes 27231.7 SDK 35231.1 Streaming 28430.9 WebSocket 9730.9 Registry 2730.4 Tenants 530.1 IoT 50129.5 eduGAIN 429.5 HL7 7329.4 Cloud 28929.3 Infrastructure 39729.3 agent-native 13229.2 DataCite 1229.2 Containers 13929.0 SMART on FHIR 4528.9 CI/CD 12228.9 API Gateway 8728.9 OpenAPI 14128.8 Serverless 13828.7

Industry 2265 tags — showing top 40

Monitoring)

Company 1575571.5 Fintech 194146.2 Identity Federation 28643.8 Open-Source 109642.5 OAI-PMH 15141.6 Higher Education 32741.0 University 26140.7 Healthcare 201140.3 Research Data 16139.0 Retail 103438.7 Financial-Services 114537.9 Education 72237.5 Library 15937.4 Research Repository 14536.9 CKAN 18336.8 Self-Hosted 6936.7 Open Data 55836.5 Open Access 13236.3 Shibboleth 3435.7 Consumer 134135.6 DCAT 18535.0 FHIR 16934.7 Government Data 19234.3 Life Sciences 108334.1 Media 55333.8 Research 36033.7 Banking 54232.6 Energy 68332.5 Course Catalog 8931.4 PropTech 30031.3 Open Banking 26731.3 Manufacturing 85831.0 Repository 2330.4 Health 57030.4 Booking 22730.4 Registry 2730.4 Insurance 64230.1 Tenants 530.1 Insurtech 28930.1 Biotechnology 86229.9
No tags match those filters.

How the tag rubric works →