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.
Not given
Key features
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
Python SDK for easy integration
Official MCP server for AI agents
Free API trial before payment
Pay-per-use pricing model
Access to posts, videos, articles and comments data
Product search and price monitoring for e-commerce
Influencer profile and audience data
Async and sync request support
Lightweight SDK with minimal dependencies
What makes it different
Only directory that pays with real USDC to verify delivery
Public ledger of all purchases and transactions on blockchain
Native MCP integration for AI agent workflows
Single token for access to all platform APIs
Official Python SDK and AI/MCP server support
Covers both social media sentiment and e-commerce competitive monitoring