Unified AI API for 150+ models at up to 95% below official pricing
Express middleware for accepting payments in euros from humans via Stripe and USDC from AI agents via x402 on a single endpoint
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
DE
Pricing model
Paid
Freemium
Pricing
Pay-as-you-go with no monthly fee. Minimum top-up: $10. Pricing varies by model. Examples: Claude Opus 5.5 at $2.40/$12 per million input/output tokens (40% below official $4/$20); GPT-6 Sol at $1/$5 per million tokens (50% off); Nano Banana 2 at $0.025 per image (63% off); Seedance 2.5 video from $
Free core under Apache 2.0 license with both payment methods and Express integration. Pro Early Bird: 49 € including 19% VAT, one-time fee for 1 project, then 79 € (includes quotas, CSV payment log, webhook reconciliation, 12 months updates and support, delivery within 3 weeks or full refund). Team:
Key features
One API key for 150+ models across image, video, LLM and audio
Pay-as-you-go pricing with no monthly fee, minimum $10 top-up
OpenAI and Anthropic SDK compatibility without code changes
MCP support for Claude Desktop, Cursor and other clients
No verification required to start calling models
Failed requests never charged; billing only for successful calls
Accessible from mainland China without proxy
Generated files retained 30 days on Cloudflare R2 storage
Support for Stripe, PayPal, Alipay and USDT payments
Single endpoint accepts both euro payments via Stripe and USDC payments via x402
Time-limited access model for human users paying in euros
Per-request billing for AI agents using USDC on x402
Cryptographic payment verification without holding funds
Local demo mode without accounts or real payments
Open source core under Apache 2.0 license
Works with Base Sepolia testnet and Stripe test mode
What makes it different
Single unified endpoint for all major AI models instead of managing separate accounts
No verification or organization approval required to use frontier models
Works from mainland China and globally without regional API blocks
Unified payment solution for both human users and AI agents from a single endpoint
Funds go directly to your accounts; Meterdoor never touches the money
Open source core provides transparency and no ongoing licensing costs
Ready for production with AI agents despite their current low payment volume
Local testing without creating accounts or handling real money
APIMODELS
Meterdoor