API Categories
Browse the canonical capability categories that aggregate every provider in the APIs.io network. Each category groups APIs by what they do — not who publishes them — so you can compare implementations of the same capability across providers.
26 categories · sourced from canonical-capabilities.yml
Identity & Access
Manage users, roles, and authorization across systems.
CRM & Sales
Manage customer accounts, contacts, deals, and sales pipelines.
Monitoring & Observability
Collect, query, and alert on metrics, logs, and traces from running systems.
Payments & Billing
Process payments, manage subscriptions, issue invoices and refunds.
Messaging
Send transactional or marketing messages — SMS, email, push, in-app.
Analytics
Analyze, query, and visualize datasets to surface insights.
Procurement & Supply Chain
Manage purchase orders, vendors, sourcing, and logistics.
Compliance
Track, enforce, and audit conformance to regulatory and policy requirements.
Machine Learning & AI
Train, deploy, and run inference against ML models.
Security
Detect threats, manage vulnerabilities, and harden security posture.
Container Orchestration
Schedule, scale, and operate containerized workloads.
CI/CD
Build, test, and deploy software through automated pipelines.
Customer Engagement
Run campaigns, segment audiences, and track customer interactions.
Content Management
Author, store, version, and deliver structured content and media assets.
Payroll & HR
Manage employees, time off, payroll runs, and benefits.
Serverless Functions
Run code in response to events without managing servers.
Object Storage
Store and retrieve binary objects in flat key-addressable namespaces.
Recruiting & ATS
Track candidates, jobs, and applications through hiring pipelines.
Document Processing
Extract, parse, generate, or convert documents (PDFs, scans, structured text).
Collaboration
Coordinate work across teams via shared documents, channels, and spaces.
API Management
Manage API gateways, policies, rate limits, and developer portals.
Automation
Run scripted, scheduled, or event-driven workflows without human input.
Incident Management
Detect, page, track, and resolve operational incidents.
Travel & Booking
Search and book flights, hotels, cars, and travel packages.
IoT & Device Management
Register, configure, monitor, and ingest telemetry from connected devices.
Data Engineering
Move, transform, and stage data through pipelines (ETL/ELT).
Looking for finer-grained discovery? Browse all 4811 tags, every provider profile, or every individual API record.