# Claudexia — Claude API Access Platform > Claudexia (claudexia.tech) provides instant access to Claude and GPT API keys without an Anthropic account, with no waitlist. Pay with cards, SBP, crypto, or Platega. A developer platform providing access to Anthropic Claude AI models and OpenAI GPT through a single API key with Anthropic-compatible and OpenAI-compatible endpoints. ## Key Facts - **Website**: https://claudexia.tech - **API Base URL**: https://api.claudexia.tech - **Supported Models**: Claude Opus 4.7, Opus 4.6, Opus 4.5, Sonnet 4.6, Sonnet 4.5, Haiku 4.5, GPT-5.4 - **API Formats**: Anthropic Messages API (`/v1/messages`) and OpenAI Chat Completions (`/v1/chat/completions`) - **Payment**: Cards (Visa/Mastercard), SBP (Система быстрых платежей), Cryptocurrency (BTC, ETH, USDT via CryptoCloud & CryptoBot), Platega.io - **Signup**: Instant, no waitlist, no Anthropic account required - **Regional Access**: Available worldwide, optimized for Russia and CIS countries - **Auth**: OAuth (GitHub, Google, Telegram) or email/password with optional 2FA (TOTP) ## Pages - [Home](https://claudexia.tech/) — Landing page with overview, models, pricing, and FAQ - [Dashboard](https://claudexia.tech/dashboard) — User dashboard with balance, API keys, usage stats - [Documentation](https://claudexia.tech/docs/introduction) — Full API documentation - [Quickstart](https://claudexia.tech/docs/quickstart) — First API call guide - [Models](https://claudexia.tech/docs/models) — Model IDs, context sizes, pricing - [Authentication](https://claudexia.tech/docs/authentication) — API key setup and auth headers - [API Reference](https://claudexia.tech/docs/api-reference) — Complete endpoint documentation - [Messages API](https://claudexia.tech/docs/api-reference/messages) — Anthropic Messages endpoint - [Streaming](https://claudexia.tech/docs/api-reference/streaming) — Server-sent events streaming - [Error Codes](https://claudexia.tech/docs/api-reference/errors) — Error handling reference - [OpenAI Compatibility](https://claudexia.tech/docs/api-reference/openai-compatibility) — OpenAI SDK compatibility layer - [Cursor Guide](https://claudexia.tech/docs/guides/cursor) — Cursor IDE integration with model aliases - [Claude Code Guide](https://claudexia.tech/docs/guides/claude-code) — Claude Code CLI setup (env vars, settings.json, Windows, GUI) - [VS Code Extensions](https://claudexia.tech/docs/guides/vscode-extensions) — Continue, Cline, Roo Code, Kilo Code setup - [OpenCode Guide](https://claudexia.tech/docs/guides/opencode) — OpenCode CLI setup - [IDE Integration Overview](https://claudexia.tech/docs/guides/ide-integration) — Supported IDE overview - [API Key Configuration](https://claudexia.tech/docs/guides/api-key-config) — Create, manage, and rotate API keys - [Best Practices](https://claudexia.tech/docs/guides/best-practices) — Usage optimization tips - [Rate Limits](https://claudexia.tech/docs/guides/rate-limits) — Rate limits and quotas - [Python SDK](https://claudexia.tech/docs/sdks/python) — Anthropic Python SDK with base_url override - [TypeScript SDK](https://claudexia.tech/docs/sdks/typescript) — Anthropic TypeScript SDK with baseURL override - [cURL Examples](https://claudexia.tech/docs/sdks/curl) — Direct HTTP examples - [Pricing](https://claudexia.tech/docs/billing/pricing) — Per-model token pricing - [FAQ](https://claudexia.tech/docs/faq) — Common questions and answers - [Changelog](https://claudexia.tech/docs/changelog) — Platform updates ## Blog (Comparisons & Guides) - [Blog index](https://claudexia.tech/blog) — Latest posts, comparisons, guides - [Evaluating Claude-Powered AI Agents in Production: A 2026 Playbook](https://claudexia.tech/blog/claude-agent-evals-production) - [Agentic Patterns with Claude in 2026: ReAct, Plan-Execute, Reflexion](https://claudexia.tech/blog/claude-agentic-patterns-2026) - [Claude API Cost Calculator in 2026: Real Math for Real Workloads](https://claudexia.tech/blog/claude-api-cost-calculator-2026) - [Claude API Latency Tuning in 2026: Cut TTFT and Total Time by 60%](https://claudexia.tech/blog/claude-api-latency-tuning) - [Claude API Pricing in 2026: Sonnet 4.6, Opus 4.6, and Haiku Compared](https://claudexia.tech/blog/claude-api-pricing-2026) - [Claude API Security and Compliance in 2026: PII, Logging, and Data Residency](https://claudexia.tech/blog/claude-api-security-compliance) - [How to Use Claude API Without an Anthropic Account in 2026](https://claudexia.tech/blog/claude-api-without-anthropic-account) - [Claude Batch API: 50% Off Bulk Inference in 2026](https://claudexia.tech/blog/claude-batch-api-savings) - [Claude Code in 2026: Setup with Claudexia and Pay-as-You-Go](https://claudexia.tech/blog/claude-code-setup-guide) - [Claude Code vs Cursor in 2026: CLI Pair Programmer or IDE — Which Wins](https://claudexia.tech/blog/claude-code-vs-cursor-2026) - [Claude Computer Use in 2026: Browser Automation That Actually Works](https://claudexia.tech/blog/claude-computer-use-2026) - [Building a Claude Customer Support Chatbot in 2026: From MVP to Production](https://claudexia.tech/blog/claude-customer-support-chatbot) - [Claude Function Calling and Tool Use in 2026: From Single Tool to Multi-Step Agent](https://claudexia.tech/blog/claude-function-calling-tools) - [Structured JSON Outputs with Claude in 2026: tool_use, response_format, and Pydantic](https://claudexia.tech/blog/claude-json-structured-outputs) - [Claude 200K Context Strategy in 2026: When to Stuff vs Retrieve](https://claudexia.tech/blog/claude-long-context-strategy) - [Build a Claude-Powered PR Code Review Bot in 2026](https://claudexia.tech/blog/claude-pr-code-review-bot) - [Cut Claude API Costs 90% with Prompt Caching: 2026 Production Guide](https://claudexia.tech/blog/claude-prompt-caching-savings) - [Streaming Claude API Responses with SSE in 2026: TypeScript and Python](https://claudexia.tech/blog/claude-streaming-sse-guide) - [Claude Vision in 2026: OCR, Charts, Screenshots, and Document Understanding](https://claudexia.tech/blog/claude-vision-image-understanding) - [Voice Agents with Claude in 2026: Best STT + Claude + TTS Stack](https://claudexia.tech/blog/claude-voice-realtime-stack-2026) - [Claude Sonnet 4.5 vs GPT-4o for Production Coding Agents in 2026](https://claudexia.tech/blog/claude-vs-gpt4o-coding-agents) - [Claudexia vs AWS Bedrock for Claude in 2026: When Each Wins](https://claudexia.tech/blog/claudexia-vs-aws-bedrock) - [Claudexia vs Google Vertex AI for Claude in 2026](https://claudexia.tech/blog/claudexia-vs-google-vertex) - [Claudexia vs Helicone vs Portkey: Claude API Observability and Gateway in 2026](https://claudexia.tech/blog/claudexia-vs-helicone-portkey) - [Claudexia vs Self-Hosted LiteLLM: Buy or Build a Claude Gateway in 2026](https://claudexia.tech/blog/claudexia-vs-litellm) - [Claudexia vs OpenRouter: Which Claude API Gateway Wins in 2026](https://claudexia.tech/blog/claudexia-vs-openrouter) - [Claudexia vs Requesty.ai: Choosing a Claude API Router in 2026](https://claudexia.tech/blog/claudexia-vs-requesty) - [Claudexia vs Together.ai in 2026: Closed vs Open Models for Production](https://claudexia.tech/blog/claudexia-vs-together-ai) - [How to Use Claude Sonnet 4.5 in Cursor IDE via Claudexia (2026 Setup Guide)](https://claudexia.tech/blog/cursor-claude-setup) - [MCP Servers with Claude in 2026: A Practical Builder's Guide](https://claudexia.tech/blog/mcp-servers-claude-guide) - [Migrate from OpenAI to Claude in 2026: One-Line base_url Switch](https://claudexia.tech/blog/migrate-openai-to-claude) - [You Probably Don't Need to Fine-Tune Claude: 2026 Alternatives That Win](https://claudexia.tech/blog/no-fine-tune-claude-alternative) - [How to Pay for Claude API with Crypto, Card, or Russian СБП in 2026](https://claudexia.tech/blog/pay-claude-api-crypto-sbp) - [Building RAG with Claude in 2026: 200K Context, Caching, and Citation](https://claudexia.tech/blog/rag-with-claude-2026) - [Claude Sonnet vs Opus vs Haiku in 2026: Which Model for Which Job](https://claudexia.tech/blog/sonnet-vs-opus-vs-haiku) ## Full Documentation For complete details including code examples and pricing tables, see [llms-full.txt](https://claudexia.tech/llms-full.txt).