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.
Free: 30-minute one-time trial, no credit card required. Explore: $19/month ($190/year) with 800 included minutes. Emerge: $49/month ($490/year) with 2,500 included minutes. Pioneer: $99/month ($990/year) with 6,000 included minutes. Enterprise: custom pricing. Additional 1,000-minute packs: $40 (Fr
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
One-line default UI with Traditional Chinese and English support
Customizable components with CSS variables
Headless core for custom UI implementation
Call routing with queues
Metadata passing for call context
HMAC-signed webhooks for integration
Origin allowlist for security
Encrypted WebRTC audio transmission
Multiple agents without call duplication
Agent Inbox browser-based dashboard
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
Eliminates phone numbers and app requirements for customer support calls
Built on LiveKit real-time media infrastructure
Does not record audio, only stores call metadata
Minute-based pay-as-you-go pricing with no surprise charges
nohumans.directory
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