# S.T.E.W Agent - Complete API Reference > Production AI agent API for African developers. OpenAI-compatible, multi-provider, Naira-billed. By MUTYINT Nigeria. ## Authentication Header: Authorization: Bearer YOUR_API_KEY Get free key: https://stew-agent.onrender.com/auth/register Free: 1,000 calls/mo. Pro: 15,000 Naira/mo. Business: 50,000 Naira/mo. ## Endpoints POST /chat - Main chat with web search POST /v1/chat/completions - OpenAI drop-in POST /search - Web search POST /browse - Read any webpage POST /generate/pdf - PDF generation POST /generate/docx - Word document POST /generate/xlsx - Excel spreadsheet POST /generate/pptx - PowerPoint slides POST /generate/image - Image generation POST /api/ocr - OCR (17+ languages) POST /api/ocr/analyze - OCR + AI analysis POST /api/code/exec - Python sandbox POST /agents/run - 100-agent swarm POST /task - Multi-step task POST /research - Deep research GET /skills - All skills GET /personas - AI personas GET /heartbeat - Health check ## Code Sandbox POST /api/code/exec - Python in sandbox Modules: math, json, re, datetime, statistics, matplotlib, numpy, pandas Timeout: 10s. No network. No file system. ## Telegram Bot: @StewAgent_bot Features: search, docs, OCR, code, tool-calling ## Links Docs: https://stew-agent.onrender.com/docs Register: https://stew-agent.onrender.com/auth/register GitHub: https://github.com/emmanuelerogian723-alt/Stew-agent