Tags

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

15052 scored tags 117 canonical 446 established 776 emerging

Canonical tags 117 core

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

Artificial Intelligence 57.9
3614 providers592 APIs
domain
Fintech 46.2
1951 providers53 APIs
industry
Payments 45.5
1457 providers951 APIs
domain
E-Commerce 45.3
1655 providers340 APIs
domain
MCP 44.5
1200 providers1004 APIs
schema
Identity Federation 43.4
231 providers252 APIs
Webhook 42.9
627 providers1405 APIs
resource · schema
OAI-PMH 41.2
150 providers327 APIs
schema · industry
Higher Education 40.4
326 providers10 APIs
industry
Healthcare 40.4
2010 providers221 APIs
industry
University 40.2
261 providers11 APIs
industry
Blockchain 39.3
687 providers160 APIs
domain · schema
SAML 39.1
50 providers301 APIs
domain · schema
Research Data 38.9
155 providers267 APIs
industry
Retail 38.6
1038 providers101 APIs
industry
Authentication 38.6
383 providers1893 APIs
action
Analytics 37.9
982 providers760 APIs
domain
Financial-Services 37.6
1145 providers82 APIs
industry
User 37.5
7 providers1563 APIs
resource
Agents 37.3
407 providers693 APIs
domain · schema
Education 37.2
720 providers135 APIs
industry
Library 37.0
160 providers347 APIs
industry
Machine-Learning 37.0
1092 providers146 APIs
domain
Web3 36.9
525 providers62 APIs
domain · schema
Research Repository 36.6
145 providers167 APIs
Open Access 36.5
132 providers279 APIs
industry
Open Data 36.3
545 providers566 APIs
schema · industry · resource
CKAN 36.1
183 providers208 APIs
schema · industry
Consumer 35.9
1358 providers23 APIs
persona
Shibboleth 35.5
34 providers195 APIs
Account 35.3
14 providers957 APIs
resource
Developer Tools 35.3
796 providers200 APIs
persona · schema
JSON 35.3
17 providers281 APIs
schema
Security 35.2
823 providers525 APIs
domain
Order 35.1
92 providers698 APIs
resource
Market Data 35.0
266 providers319 APIs
resource · domain
Marketing 35.0
524 providers104 APIs
domain
Catalog 34.7
49 providers607 APIs
resource
Posts 34.6
3 providers157 APIs
Data Catalog 34.6
210 providers25 APIs
resource
REST 34.6
141 providers1135 APIs
schema
FHIR 34.5
170 providers176 APIs
schema · industry
DCAT 34.4
185 providers11 APIs
schema · industry
AI Agents 34.4
720 providers169 APIs
domain · schema
Event 34.3
186 providers1114 APIs
resource
Observability 34.3
336 providers236 APIs
domain
Search 34.2
186 providers935 APIs
action · domain
Compliance 34.1
735 providers303 APIs
domain
Campaigns 34.1
42 providers210 APIs
resource · domain
Life Sciences 34.0
1072 providers17 APIs
Action API 33.9
0 providers170 APIs
resource
Contacts 33.9
56 providers312 APIs
CRM 33.7
356 providers251 APIs
domain
Research 33.6
354 providers289 APIs
Government Data 33.6
188 providers3 APIs
industry
Metadata 33.5
69 providers605 APIs
resource
Media 33.5
551 providers325 APIs
industry
Transaction 33.4
35 providers538 APIs
resource
Monitoring 33.4
202 providers285 APIs
action
Messaging 33.4
337 providers255 APIs
domain
Data Sources 33.3
1 providers82 APIs
Logistics 33.2
650 providers146 APIs
domain
Marketplace 33.1
912 providers153 APIs
domain
Supply Chain 33.1
609 providers100 APIs
domain
Project 32.9
11 providers586 APIs
resource
GraphQL 32.9
380 providers745 APIs
schema
Broadcasts 32.9
2 providers18 APIs
domain · resource
Banking 32.7
552 providers191 APIs
industry
Product 32.6
48 providers558 APIs
resource
SMS 32.6
160 providers96 APIs
domain
Flows 32.5
1 providers57 APIs
resource
Interoperability 32.5
174 providers88 APIs
domain
Real-Time 32.5
202 providers364 APIs
schema
Identity 32.4
297 providers524 APIs
domain
Workflows 32.4
159 providers355 APIs
resource · action
Energy 32.3
679 providers101 APIs
industry
Metrics 32.3
52 providers337 APIs
resource · domain
Trading 32.1
259 providers139 APIs
action · domain
Reports 32.1
5 providers419 APIs
resource
Customers 32.0
16 providers428 APIs
resource · persona
Single Sign-On 32.0
51 providers187 APIs
Connections 31.9
1 providers127 APIs
Email Marketing 31.9
80 providers28 APIs
Task 31.9
26 providers372 APIs
resource
Integration 31.9
152 providers598 APIs
action · domain
Models 31.8
4 providers210 APIs
resource
Kubernetes 31.7
273 providers191 APIs
schema
Advertising 31.7
396 providers122 APIs
domain
DevOps 31.6
337 providers70 APIs
domain
Custom Fields 31.6
2 providers105 APIs
resource
Ingest 31.6
1 providers50 APIs
resource · industry
Subscribers 31.5
11 providers50 APIs
Tags 31.5
2 providers386 APIs
resource
Course Catalog 31.5
89 providers93 APIs
Attachments 31.5
1 providers108 APIs
Notification 31.4
42 providers446 APIs
resource · action · domain
Cryptocurrency 31.3
397 providers128 APIs
domain
Group 31.2
4 providers405 APIs
resource
APIKeys 31.1
3 providers218 APIs
resource
DeFi 31.1
296 providers49 APIs
domain
PropTech 31.1
300 providers3 APIs
industry
Open Banking 31.1
264 providers140 APIs
domain · industry
Automation 31.1
484 providers328 APIs
action
Enterprise 31.1
575 providers179 APIs
persona
Documents 31.1
71 providers437 APIs
resource
Email 31.0
178 providers141 APIs
domain
Cluster 31.0
1 providers173 APIs
resource
SDK 31.0
356 providers653 APIs
schema
File 30.9
3 providers405 APIs
resource
Streaming 30.9
288 providers371 APIs
action · schema
Environments 30.9
3 providers129 APIs
resource
Segments 30.9
7 providers79 APIs
LLM 30.9
258 providers126 APIs
action · domain
Application 30.8
37 providers449 APIs
resource
Manufacturing 30.7
836 providers66 APIs
industry
Database 30.7
180 providers128 APIs
domain · schema
List 30.7
4 providers131 APIs
domain

Resource 988 tags — showing top 40

Nouns — what is being managed (Users

Webhook 62742.9 User 737.5 Open Data 54536.3 Self-Hosted 6736.2 Account 1435.3 Order 9235.1 Market Data 26635.0 Catalog 4934.7 Data Catalog 21034.6 Event 18634.3 Campaigns 4234.1 Action API 033.9 Metadata 6933.5 Transaction 3533.4 Project 1132.9 Broadcasts 232.9 Product 4832.6 Flows 132.5 Workflows 15932.4 Metrics 5232.3 Reports 532.1 Customers 1632.0 Task 2631.9 Models 431.8 Ingest 131.6 Custom Fields 231.6 Tags 231.5 Notification 4231.4 Group 431.2 Documents 7131.1 APIKeys 331.1 Cluster 131.0 Environments 330.9 File 330.9 Application 3730.8 Subscription 25730.6 Invoices 2430.6 Content 22930.5 Sessions 1230.5 Comments 1030.4

Action 405 tags — showing top 40

Orders

Authentication 38338.6 Search 18634.2 Monitoring 20233.4 Workflows 15932.4 Trading 25932.1 Integration 15231.9 Notification 4231.4 Automation 48431.1 LLM 25830.9 Streaming 28830.9 Video 37230.2 Alerts 2830.2 Checkout 10030.2 Discovery 3730.0 Payouts 8630.0 Shipping 19129.7 Inference 12228.9 Bank Accounts 228.8 Refunds 1428.7 Authorization 6828.6 Invoicing 17128.5 Management 627.8 Commerce 20727.8 Configuration 727.7 Scheduling 21827.6 Speech-to-Text 5027.5 Deprecated 1027.1 User Management 626.8 Localization 5026.8 REST API 12026.7 Audio 18326.6 Testing 13726.5 Dashboard 326.2 RAG 7326.1 No-Code 18926.0 Image-Generation 7025.9 Logging 4125.9 Documentation 8725.6 Charges 625.6 Gateway 1425.5

Persona 77 tags — showing top 40

Webhooks)

Consumer 135835.9 Developer Tools 79635.3 Customers 1632.0 Enterprise 57531.1 Sales 16429.6 Fortune 500 53527.5 Developer Portal 3226.4 B2B 23125.0 Tickets 1224.3 Sandbox 1524.2 Go-To-Market 6024.1 Support 1223.9 Partner 123.7 Sales Automation 4923.7 API Documentation 1922.0 Outbound 1021.6 Salesforce 6421.5 Terminal 1421.0 Ansible 520.4 Account Based Marketing 2520.2 SMB 6020.2 Managed 220.1 Developers 2220.1 Revenue Intelligence 2119.5 Operator 419.2 Utility 2118.9 B2C 618.8 Business Banking 3518.7 SME 3117.8 Mobile Apps 7317.5 API Marketplace 1016.6 Cloud Platform 2216.6 Azure API Management 516.3 CPG 4315.8 Software Reviews 815.6 Code Search 515.5 Request 015.0 Programming Language 1714.5 Customer Groups 014.4 API Products 014.3

Domain 1557 tags — showing top 40

Verbs — what you do with the API (Search

Company 1578571.3 Artificial Intelligence 361457.9 Payments 145745.5 E-Commerce 165545.3 Blockchain 68739.3 SAML 5039.1 Analytics 98237.9 Agents 40737.3 Machine-Learning 109237.0 Web3 52536.9 Security 82335.2 Market Data 26635.0 Marketing 52435.0 AI Agents 72034.4 Observability 33634.3 Search 18634.2 Campaigns 4234.1 Compliance 73534.1 CRM 35633.7 Messaging 33733.4 Logistics 65033.2 Marketplace 91233.1 Supply Chain 60933.1 Broadcasts 232.9 SMS 16032.6 Interoperability 17432.5 Identity 29732.4 Metrics 5232.3 Trading 25932.1 Integration 15231.9 Advertising 39631.7 DevOps 33731.6 Notification 4231.4 Cryptocurrency 39731.3 Open Banking 26431.1 DeFi 29631.1 Email 17831.0 LLM 25830.9 Database 18030.7 List 430.7

Schema 572 tags — showing top 40

Authentication

MCP 120044.5 Webhook 62742.9 OAI-PMH 15041.2 Blockchain 68739.3 SAML 5039.1 Agents 40737.3 Web3 52536.9 Open Data 54536.3 Self-Hosted 6736.2 CKAN 18336.1 Developer Tools 79635.3 JSON 1735.3 REST 14134.6 FHIR 17034.5 AI Agents 72034.4 DCAT 18534.4 GraphQL 38032.9 Real-Time 20232.5 Kubernetes 27331.7 SDK 35631.0 Streaming 28830.9 Database 18030.7 WebSocket 7329.6 Cloud 29929.3 Containers 13629.0 CI/CD 12529.0 OpenAPI 13629.0 API Gateway 8629.0 agent-native 11929.0 IoT 40228.5 Serverless 14228.5 Topics 228.5 SQL 9328.4 Hardware 67028.4 Ethereum 18928.2 JavaScript 6527.4 Networking 28527.3 Compute 8527.2 TypeScript 6526.9 SEO 4526.9

Industry 1123 tags — showing top 40

Monitoring)

Company 1578571.3 Fintech 195146.2 Open-Source 108342.2 OAI-PMH 15041.2 Higher Education 32640.4 Healthcare 201040.4 University 26140.2 Research Data 15538.9 Retail 103838.6 Financial-Services 114537.6 Education 72037.2 Library 16037.0 Open Access 13236.5 Open Data 54536.3 Self-Hosted 6736.2 CKAN 18336.1 FHIR 17034.5 DCAT 18534.4 Government Data 18833.6 Media 55133.5 Banking 55232.7 Energy 67932.3 Ingest 131.6 PropTech 30031.1 Open Banking 26431.1 Manufacturing 83630.7 Repository 2330.6 Health 56430.2 Insurance 63930.1 Insurtech 29029.8 EdTech 31729.1 Institutional Repository 6229.1 Real-Estate 58928.9 Travel 34028.5 Sustainability 54328.2 United States 29728.1 United Kingdom 33528.1 Digital Health 44827.8 Utilities 18927.8 Transportation 38227.4
No tags match those filters.

How the tag rubric works →