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100
Top APIs in the 2026 directory
5
Core categories covered
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top 100 api directory
The 2026 API landscape at a glance
Explore the most in-demand APIs across five critical categories. Filter by name, category, or capability to shortlist partners for your next AI-driven product.
AI/LLM
Frontier LLMs, multimodal inference, and agent platforms.
FinTech
Payments, banking, fraud, and financial data rails.
DevTools
Infrastructure, observability, and productivity APIs.
Security
Identity, compliance, and threat detection tooling.
Communication
Messaging, voice, email, and engagement APIs.
AI/LLM
20 APIsOpenAI
AI/LLM
Frontier LLMs and reasoning APIs for text, vision, and agents.
Anthropic
AI/LLM
Safety-focused Claude models for conversational tool use.
Google Gemini
AI/LLM
Multimodal Gemini models with long context and tools.
Mistral AI
AI/LLM
Open and commercial LLMs optimized for fast inference.
Cohere
AI/LLM
Enterprise-grade LLMs for search, RAG, and workflows.
Hugging Face
AI/LLM
Model hosting and inference APIs for open-source LLMs.
Perplexity
AI/LLM
Answer engine APIs blending search with LLM reasoning.
Together AI
AI/LLM
High-throughput inference for open models and tuning.
Groq
AI/LLM
Ultra-low-latency LLM inference on LPU hardware.
Fireworks AI
AI/LLM
Serverless LLM inference and fine-tuning for open models.
Stability AI
AI/LLM
Generative image, video, and audio model APIs.
Replicate
AI/LLM
Hosted inference for thousands of open-source models.
Runway
AI/LLM
Video generation and editing APIs for creative workflows.
ElevenLabs
AI/LLM
High-fidelity text-to-speech and voice cloning APIs.
AssemblyAI
AI/LLM
Speech-to-text and audio intelligence APIs.
Deepgram
AI/LLM
Real-time speech recognition and audio understanding APIs.
Adept
AI/LLM
Agentic model APIs for task execution across apps.
Character.AI
AI/LLM
Conversational character APIs for interactive agents.
Reka AI
AI/LLM
Research-grade multimodal LLM APIs for enterprise use.
xAI
AI/LLM
Grok models for real-time reasoning and analysis.
FinTech
20 APIsStripe
FinTech
Payments, billing, and treasury APIs for internet businesses.
Plaid
FinTech
Bank account connectivity and financial data APIs.
Adyen
FinTech
Global payment processing and risk management APIs.
Checkout.com
FinTech
Unified payments and fraud tooling with global coverage.
PayPal
FinTech
Digital wallet, checkout, and payout APIs.
Braintree
FinTech
Flexible payment gateway APIs for web and mobile.
Square
FinTech
Point-of-sale and payment APIs for omnichannel commerce.
Wise
FinTech
International transfer and FX APIs.
Ramp
FinTech
Corporate card and spend management APIs.
Brex
FinTech
Expense management and card issuance APIs.
Mercury
FinTech
Business banking APIs designed for startups.
Marqeta
FinTech
Card issuing and payment processing APIs.
Alloy
FinTech
Identity verification and compliance orchestration APIs.
Tink
FinTech
Open banking connectivity and payments APIs.
Finicity
FinTech
Consumer financial data access APIs.
Unit
FinTech
Embedded banking and card issuing APIs.
Lithic
FinTech
Card issuing and transaction controls APIs.
Moov
FinTech
Money movement and payout infrastructure APIs.
Sila
FinTech
ACH payments and identity compliance APIs.
Sardine
FinTech
Fraud prevention and risk scoring APIs.
DevTools
20 APIsSupabase
DevTools
Postgres database, auth, and storage APIs for builders.
Vercel
DevTools
Frontend deployment, edge, and analytics APIs.
Netlify
DevTools
Web hosting, functions, and build automation APIs.
Render
DevTools
Managed cloud deploys for services and databases.
Fly.io
DevTools
Global app deployment with edge region APIs.
Railway
DevTools
Instant infrastructure and environment management APIs.
PlanetScale
DevTools
Serverless MySQL platform and branching APIs.
Neon
DevTools
Serverless Postgres with branching and autoscale APIs.
Aiven
DevTools
Managed open-source data services APIs.
Postman
DevTools
API testing, monitoring, and collaboration APIs.
Sentry
DevTools
Error tracking and performance monitoring APIs.
Datadog
DevTools
Observability and metrics ingestion APIs.
New Relic
DevTools
APM, logs, and telemetry APIs.
GitHub
DevTools
Code hosting, automation, and webhook APIs.
GitLab
DevTools
CI/CD, repo, and DevSecOps APIs.
Docker
DevTools
Container registry and build automation APIs.
Hasura
DevTools
Instant GraphQL APIs on top of databases.
Prisma
DevTools
Database toolkit and type-safe ORM APIs.
Temporal
DevTools
Durable workflow orchestration APIs.
LaunchDarkly
DevTools
Feature flagging and experimentation APIs.
Security
20 APIsOkta
Security
Identity, SSO, and access management APIs.
Auth0
Security
Developer-friendly authentication and authorization APIs.
Cloudflare
Security
Edge security, WAF, and bot management APIs.
Snyk
Security
Developer security and dependency scanning APIs.
Wiz
Security
Cloud security posture and risk prioritization APIs.
Orca Security
Security
Agentless cloud workload protection APIs.
Lacework
Security
Behavioral threat detection and compliance APIs.
SentinelOne
Security
Endpoint protection and automated response APIs.
CrowdStrike
Security
Threat intelligence and endpoint security APIs.
Fortinet
Security
Network security and firewall management APIs.
Check Point
Security
Enterprise security management and threat prevention APIs.
Zscaler
Security
Zero trust network access and security APIs.
1Password
Security
Secrets management and password vault APIs.
Bitwarden
Security
Open-source password management APIs.
JumpCloud
Security
Directory, device, and identity management APIs.
Vanta
Security
Automated compliance and audit readiness APIs.
Drata
Security
Continuous compliance monitoring APIs.
Secureframe
Security
Compliance automation and evidence collection APIs.
Imperva
Security
Application security and data protection APIs.
Abnormal Security
Security
Email security and phishing defense APIs.
Communication
20 APIsTwilio
Communication
Messaging, voice, and video APIs for engagement.
SendGrid
Communication
Transactional and marketing email delivery APIs.
Vonage
Communication
Voice, SMS, and programmable communications APIs.
MessageBird
Communication
Omnichannel messaging and engagement APIs.
Telnyx
Communication
Programmable voice, SMS, and carrier APIs.
Plivo
Communication
Voice and SMS APIs with global coverage.
Sinch
Communication
Enterprise messaging and verification APIs.
Bandwidth
Communication
Carrier-grade voice and messaging APIs.
Infobip
Communication
Global messaging, chat, and email APIs.
Slack
Communication
Team messaging and workflow automation APIs.
Microsoft Teams
Communication
Collaboration and meeting integration APIs.
Discord
Communication
Community messaging and bot APIs.
Zoom
Communication
Video meetings and webinar APIs.
Intercom
Communication
Customer support chat and automation APIs.
Zendesk
Communication
Support ticketing and messaging APIs.
Pusher
Communication
Realtime pub/sub and WebSocket APIs.
Stream
Communication
Chat, activity feeds, and video APIs.
OneSignal
Communication
Push notification and messaging APIs.
Braze
Communication
Customer engagement and lifecycle messaging APIs.
Brevo
Communication
Marketing automation and email APIs.
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