# AICredits

> AICredits is a unified LLM API gateway for developers. Use one API key and one OpenAI-compatible endpoint (https://api.aicredits.in/v1) to access GPT-4o, Claude Sonnet, Gemini, DeepSeek, Mistral, Sarvam, and 300+ models — billed in INR via Razorpay/UPI. No international card required.

## Getting Started
- [Quickstart](https://aicredits.in/docs/quickstart): Get your first API response in 3 steps
- [Authentication](https://aicredits.in/docs/authentication): Create API keys (format: sk-...)
- [Models](https://aicredits.in/docs/models): Full list of 300+ supported models
- [Pricing](https://aicredits.in/docs/pricing): INR billing with live forex conversion

## API Reference
- OpenAI-compatible SDK base URL: https://api.aicredits.in/v1
- Anthropic SDK base URL: https://api.aicredits.in (without `/v1`; Anthropic SDKs append `/v1/messages`)
- Chat completions: POST /v1/chat/completions (OpenAI-compatible, all models)
- Responses API: POST /v1/responses (OpenAI Responses API, all models — used by OpenAI SDK v4.75+, OpenAI Agents SDK, n8n)
- Messages API: POST /v1/messages (Anthropic Messages format, all models — use the Anthropic SDK or Claude Code with any provider)
- Embeddings: POST /v1/embeddings (text embedding models — OpenAI, DeepInfra BGE/E5)
- Audio TTS: POST /v1/audio/speech (OpenAI TTS-1/HD, Sarvam Bulbul — Indian language voices)
- Audio STT: POST /v1/audio/transcriptions (OpenAI Whisper, DeepInfra Whisper, Sarvam Saarika — Indian languages)
- Image generation: POST /v1/images/generations (DALL-E 3, gpt-image-1, Flux by Black Forest Labs via DeepInfra)
- List models: GET /v1/models
- Credit balance: GET /v1/credits
- [Full API Reference](https://aicredits.in/docs/api-reference)

## SDKs & Integrations
- [SDKs](https://aicredits.in/docs/sdks): OpenAI Python/TS SDK, LangChain, Vercel AI SDK, cURL
- [n8n](https://aicredits.in/docs/community/n8n): Workflow automation — /v1/responses is supported, no extra config needed
- [LangChain](https://aicredits.in/docs/community/langchain): Python and JS LangChain
- [Vercel AI SDK](https://aicredits.in/docs/community/vercel-ai): Next.js / edge runtime
- [PydanticAI](https://aicredits.in/docs/community/pydanticai): Python agent framework
- [Anthropic Agent SDK](https://aicredits.in/docs/community/anthropic-agents): Claude agents
- [Open WebUI](https://aicredits.in/docs/community/open-webui): Self-hosted chat UI with an OpenAI-compatible endpoint
- [LiteLLM](https://aicredits.in/docs/community/litellm): Use AICredits directly or as a LiteLLM upstream
- [Dify](https://aicredits.in/docs/community/dify): Visual app builder for chatbots, RAG apps, workflows, and agents
- [Flowise](https://aicredits.in/docs/community/flowise): Visual chatflow and agentflow builder
- [Langflow](https://aicredits.in/docs/community/langflow): Visual AI workflow builder
- [AnythingLLM](https://aicredits.in/docs/community/anythingllm): Local-first AI workspace for chat, agents, and documents
- [LibreChat](https://aicredits.in/docs/community/librechat): Self-hosted ChatGPT-style team UI
- [LobeChat](https://aicredits.in/docs/community/lobechat): Self-hosted chat and agent interface
- [OpenHands](https://aicredits.in/docs/community/openhands): Self-hosted coding agents and automations
- [Cline](https://aicredits.in/docs/community/cline): IDE and CLI coding agent
- [RAGFlow](https://aicredits.in/docs/community/ragflow): Document RAG engine with chat and embeddings
- [Onyx](https://aicredits.in/docs/community/onyx): Enterprise search, chat, agents, and RAG
- [CrewAI](https://aicredits.in/docs/community/crewai): Multi-agent Python workflows
- [LlamaIndex](https://aicredits.in/docs/community/llamaindex): RAG and document agents
- [Roo Code](https://aicredits.in/docs/community/roo-code): VS Code coding agent

## Providers & Model Families
- **OpenAI**: gpt-4o, gpt-4o-mini, o3, o4-mini, gpt-image-1, text-embedding-3-small/large
- **Anthropic**: claude-sonnet-4, claude-haiku-4-5, claude-opus-4
- **Google**: gemini-2.0-flash, gemini-2.5-pro, gemini-2.5-flash-preview-image-generation
- **DeepSeek**: deepseek-chat, deepseek-r1
- **Mistral**: mistral-large, mistral-small, codestral
- **xAI**: grok-3, grok-3-mini
- **DeepInfra**: meta-llama-3.1-8b-instruct, Whisper-large-v3, BGE/E5 embeddings, Flux image models
- **Sarvam AI** (Indian languages): sarvam/bulbul-v2, sarvam/bulbul-v3 (TTS), sarvam/saarika-v2.5 (STT)
- **Flux / Black Forest Labs** (via DeepInfra): flux-1-schnell, flux-1-dev, flux-1.1-pro, flux-2-dev

## Features
- [Semantic Caching](https://aicredits.in/docs/semantic-caching): pgvector similarity cache reduces costs
- [Provider Routing](https://aicredits.in/docs/provider-routing): Automatic fallback chain across providers
- [Guardrails](https://aicredits.in/docs/guardrails): PII masking, keyword blocking
- [Rate Limits](https://aicredits.in/docs/rate-limits): RPM limits, per-key budgets, concurrency
- [Streaming](https://aicredits.in/docs/streaming): SSE streaming support
- [Tool Calling](https://aicredits.in/docs/tool-calling): Function/tool calling support
- [Image Generation](https://aicredits.in/docs/image-generation): DALL-E 3, gpt-image-1, Flux models
- [Audio](https://aicredits.in/docs/audio): TTS and STT — OpenAI Whisper + Sarvam Indian language models

## Cookbook & Example Projects
- [AICredits Cookbook](https://github.com/chetanrakheja/aicredits-cookbook): Runnable Python/TypeScript examples (resume/JD matcher, MCQ generator, multi-model eval harness) and a list of student/beginner project ideas

## For AI Coding Agents
- [agents.md](https://aicredits.in/agents.md): Integration guide for coding agents (Claude Code, Codex, Cursor) — read this before writing integration code
- [aicredits-cookbook](https://github.com/chetanrakheja/aicredits-cookbook): Open-source runnable example projects built on AICredits

## Full Reference
- [llms-full.txt](https://aicredits.in/llms-full.txt): Detailed reference with code examples
- [OpenAPI Spec](https://aicredits.in/openapi.yaml): Machine-readable OpenAPI 3.1 spec

Every docs page and blog post is also available as raw markdown by appending `.md` to its URL, e.g. https://aicredits.in/docs/quickstart.md