Image generation from $0.03 per image (GPT Image 2.5 1K), video generation from $0.012 per second (Grok Imagine Video 1.5 480p), LLM chat from $0.225 per million tokens input (Gemini 3.8 Flash), audio from $0.06 per request (Suno V6), with no monthly fees and no charges for failed generations.
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
Unified API documentation and interface across all models
Interactive playground to test models before coding
Transparent pricing with per-model costs
Pay-as-you-go credits with no expiration
Private VIP support channel on Discord or Telegram
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
Unified API for multiple AI model providers without rebuilding integrations
Pricing up to 88% lower than official APIs
Zero-risk billing with no charges for failed generations
Access latest cutting-edge AI models in one place
Only directory that pays with real USDC to verify delivery
Public ledger of all purchases and transactions on blockchain