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APIs & Infrastructure

AI APIs, SDKs, and developer infrastructure

tiun.

tiun.

AI-native backend for auth, billing, and analytics

Free
OfoxAI

OfoxAI

One API for OpenAI, Anthropic, Gemini, and 100+ models

messages.dev

messages.dev

Give AI agents managed iMessage, RCS, and SMS infrastructure

Clawdi

Clawdi

Run persistent AI agents in managed confidential cloud environments

Lenz

Lenz

Fact-checking API for AI workflows

Free
akta.pro

akta.pro

Private company data and signals API for AI agents

oqoqo

oqoqo

Managed evals and private benchmarks for real-world agent tasks

AgentSky

AgentSky

Managed cloud runtime for long-running AI agents

Prefactor

Prefactor

Real-time evaluation for AI agents

Free
AgentKey

AgentKey

Live data marketplace for AI agents

Free
Zro

Zro

Private open-model inference for coding agents

ZooData

ZooData

Agent-native commerce intelligence API

Free
Auriko

Auriko

LLM gateway that routes calls for cost and reliability

Context.dev

Context.dev

One API for scraping, crawling, and web enrichment

Free
Humalike

Humalike

Behavioral infrastructure for humanlike AI agents

Free
Tencent EdgeOne Makers

Tencent EdgeOne Makers

Build and deploy web apps and AI agents in minutes

Free
AEVS by Fetch.ai

AEVS by Fetch.ai

Signed receipts for AI agent tool calls

Free
zero.xyz

zero.xyz

Give your AI agent access to ~8k tools, APIs and services

/monitor by Firecrawl

/monitor by Firecrawl

Notify your AI agent when the web changes

Unabyss

Unabyss

MCP-native self-updating context layer for your AI

Auralog

Auralog

AI on-call engineer for your production logs

Qwen 3.5 Small Series

Natively multimodal on-device AI: from 0.8B on a phone to 9B on a laptop

Free

LM Studio

Run local LLMs on your own hardware — no terminal, no cloud, no API keys

Free

AnythingLLM

Self-hosted document chat and RAG workspace — any LLM, any data, fully private

Free

LLMWise

Orchestrate multiple AI models with one API key for optimal results.

Free
OpenRouter

OpenRouter

Unified API for all LLMs with smart routing

Free
Qwen

Qwen

Alibaba's open-weight AI family: from on-device 0.8B to 480B agentic coder

Free
Anthropic API

Anthropic API

Build with Claude - Anthropic's AI API

OpenAI API

OpenAI API

Access GPT-4, DALL-E, and Whisper via API

Groq

Groq

Lightning-fast LLM inference

Free
Hugging Face

Hugging Face

The AI community building the future

Free
Together AI

Together AI

Run and fine-tune open-source AI models

Free
Replicate

Replicate

Run AI models with a cloud API

Free
Fireworks AI

Fireworks AI

Fast and efficient LLM inference platform

Free
Anyscale

Anyscale

Scale AI applications with Ray

Free
Banana Dev

Banana Dev

Banana - GPUs For Inference

Free
Weights & Biases

Weights & Biases

Weights & Biases

Free
Chroma

Chroma

Chroma

Free
Hugging Face Inference

Hugging Face Inference

Inference Providers

Free
Modal

Modal

Modal: High-performance AI infrastructure

Free
Mistral Small 4

Mistral Small 4

The open-source model that does reasoning, vision, and agentic coding — all in one.

Free
Baseten

Baseten

Inference Platform: Deploy AI models in production | Baseten

Free
Pinecone

Pinecone

The vector database to build knowledgeable AI | Pinecone

Free
LangChain

LangChain

LangChain: Observe, Evaluate, and Deploy Reliable AI Agents

Free
Weaviate

Weaviate

The AI database developers love | Weaviate

Free
LlamaIndex

LlamaIndex

LlamaIndex - Agents for Document OCR + AI Workflows

Free