Compare AI API proxy providers by pricing, models, payment methods, and verification signals
Verified paid APIs for AI agents
Stage
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Startup
Founded
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Based in
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Pricing model
Free
Freemium
Pricing
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Free access to the directory API and MCP server. Listing a new API costs $0.25 USDC from October 26, 2026, which includes one real purchase verification.
Key features
Compare pricing across 30+ AI API proxy providers
Provider status verification with public signals
Base URL compatibility verification
Multi-language support
Real USDC purchases to verify API delivery
Paid-verified status with Base blockchain transactions
Reputation scores from recency-weighted probe pass rates
Continuous endpoint probing every 2 minutes to 8 hours
Free discovery API with three-line pre-spend checks
MCP server integration with search and detail tools
Machine-readable catalogue in NDJSON format
Purchase outcome tracking and transaction visibility
Dispute resolution and result correction in public
Automatic payment address rotation detection
What makes it different
Focuses only on publicly verifiable facts, not marketing claims
Regularly updated provider information with verification dates
Accepts corrections and new provider submissions from the community
Only directory that pays with real USDC to verify delivery
Public ledger of all purchases and transactions on blockchain
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