Best AI & Machine Learning APIs in 2026
APIs for language models, image generation, speech recognition, and computer vision. These power the AI features in modern applications - from chatbots to content generation pipelines.
25 APIs across 9 subcategories
LLMs & Generative AI(7)
OpenAI API
Access GPT models for text generation, code, vision, and embeddings.
npm i openaiAnthropic API
Access Claude models for reasoning, coding, and analysis.
npm i @anthropic-ai/sdkAWS Bedrock
Access Claude, Llama, and other foundation models on AWS.
npm i @aws-sdk/client-bedrock-runtimeGoogle Gemini API
Google's multimodal AI models for text, image, and code generation.
npm i @google/generative-aiMistral API
Open-weight and commercial LLMs from Mistral AI.
npm i @mistralai/mistralaiCohere API
Enterprise LLMs for search, generation, and classification.
npm i cohere-aiAzure OpenAI Service
Enterprise access to GPT, DALL-E, and Whisper on Azure.
npm i @azure/openaiVoice AI(3)
Vapi
Voice AI platform for programmable voice agents. Handles calls, latency-optimised transcription, and LLM orchestration for real-time voice apps.
npm i @vapi-ai/server-sdkBland AI
Programmable voice AI API for outbound calls, customer support automation, and phone-based AI agents.
npm i bland-nodeRetell AI
Voice AI API for programmable conversational agents. Low latency pipeline with LLM, ASR, and TTS providers configurable.
npm i retell-sdkComputer Vision(3)
AWS Rekognition
Image and video analysis: faces, objects, text, and moderation.
npm i @aws-sdk/client-rekognitionGoogle Vision API
Image analysis: labels, faces, text (OCR), landmarks, and logos.
npm i @google-cloud/visionClarifai API
Image and video recognition for visual search, face detection, and moderation.
npm i clarifai-nodejsModel Hosting & Inference(2)
Replicate API
Run open-source ML models in the cloud with a simple API.
npm i replicateHugging Face Inference API
Run 2M+ open-source models for NLP, vision, audio, and more.
npm i @huggingface/inferenceSpeech & Audio AI(4)
Deepgram API
Real-time and batch speech-to-text with high accuracy.
npm i @deepgram/sdkAssemblyAI
Speech-to-text, summarisation, sentiment analysis, and content moderation.
npm i assemblyaiElevenLabs API
AI voice generation, text-to-speech, and voice cloning.
npm i elevenlabsWhisper API (OpenAI)
Speech-to-text transcription and translation.
NLP(1)
Google Cloud Natural Language API
Sentiment analysis, entity recognition, and syntax analysis.
npm i @google-cloud/languageImage Generation(2)
Stability AI API
Stable Diffusion models for image generation and editing.
npm i stability-aiDALL-E API (OpenAI)
Generate and edit images from text prompts.
Code Generation(2)
AI Interfaces & Tools(1)
TypingMind API
Custom AI chat interface with plugin system, MCP support, and team management API.
Browse other API categories
23 APIs · 11 subcategories
Communication16 APIs · 6 subcategories
Finance & Payments16 APIs · 8 subcategories
Maps & Geolocation15 APIs · 7 subcategories
Data & Information15 APIs · 11 subcategories
Fintech & Banking14 APIs · 6 subcategories
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Authentication & Identity12 APIs · 5 subcategories
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CRM & Marketing12 APIs · 7 subcategories
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Cloud & Infrastructure11 APIs · 6 subcategories
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Translation & NLP8 APIs · 3 subcategories
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Search & Data6 APIs · 3 subcategories
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Vector Databases6 APIs · 6 subcategories
Customer Support6 APIs · 3 subcategories
Logging & Observability6 APIs · 4 subcategories
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Travel & Hospitality5 APIs · 4 subcategories
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News & Content4 APIs · 3 subcategories
Security3 APIs · 3 subcategories