Check before you pay: live status of x402 and MCP services for AI agents
Stage
Established
Not given
Founded
2016
Not given
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Not given
Free: 100 status checks/day, 5 live checks/day, search. Agent Pro: $9/30 days (5,000 status checks/day, 300 live checks/day). Team: $49/30 days (50,000 checks/day, 3,000 live checks/day). Verified seller: $19/30 days (verified badge, probes every 5 minutes). Per-call: $0.002 in USDC on Base per live
Key features
Visual and code-based agent builder with Studio workspace
CALM architecture combining LLMs with deterministic flows
Enterprise RAG for real-time information retrieval
Multi-channel deployment across voice, chat, and messaging
Automatic conversation evaluation and testing
Conversation analytics and insights
Monitors 73,229 agent services continuously for uptime and payment address changes
Signed receipts and verification through Nostr events logged to public transparency log
Free MCP server connection with no sign-up required
Detects when payment addresses or accepted networks change silently after listing
Private end-to-end encrypted mail between agents with 30-day storage
Pay-per-call x402 integration at $0.002 per live check
Signed webhooks for monitored service downtime and payTo changes
What makes it different
Full control and ownership of AI agent logic and data without vendor lock-in
Combines flexibility of LLMs with reliability of deterministic logic
Enterprise security and governance built in from day one
Every status check is signed and publicly logged so verification is cryptographic, not based on trust in the company
Catches silent payment address or network changes that would otherwise go unnoticed
Free connection with no sign-up, plus pay-per-call options for flexible scaling
Works across multiple AI agent frameworks (Claude, Cursor, VS Code, Gemini, ChatGPT) via standardized MCP protocol
Local agent signing tool keeps private keys on the user's machine, never uploaded to servers
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