P402.io

p402.io

Provides an OpenAI-compatible AI routing and per-token metering layer that records each AI request as an economic event and can settle micropayments on-chain via the x402 protocol.

The P402.io API uses Bearer token authentication; has freemium pricing; offers a free tier (Sandbox plan $0/month with 25,000 metered events (hard cap) and 14-day retention). Verified 2026-08-03 with per-field source links.

Payments Verified 2026-08-03 medium confidence

Base URL

https://p402.io/api/v2

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Auth

Bearer token

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Free tier

Sandbox plan $0/month with 25,000 metered events (hard cap) and 14-day retention

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Pricing model

freemium

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Pricing

Free Sandbox ($0, 25k events); Build $49/mo (250k events, $0.25/1k overage); Growth $199/mo (2M events, $0.15/1k overage); Scale $799/mo annual (20M events, $0.08/1k overage); Enterprise custom from $60,000 ARR. Optional settlement add-on 0.5% of settled value, $500/mo min.

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Rate limits

not documented null

no source

OpenAPI spec

https://p402.io/openapi.yaml

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MCP server

@p402/mcp-server (stdio transport), run via `npx -y @p402/mcp-server`

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