Agents discover, invoke, and pay for capabilities through one unified layer. No subscriptions. No API keys. USDC micropayments from $0.0001 per call.
Standard HTTP request. No auth header, no API key required.
Machine-readable payment terms — amount, wallet, network, asset.
Agent signs USDC transfer on Base. Submits proof as X-PAYMENT header.
Server verifies via x402 facilitator, returns 200 with response.
"The x402 payment flow is seamless. Call the API, get a 402, pay $0.002 USDC, retry — verified fact with source chain. No account, no key."
"ContractScan returns risk scores, red flags, and negotiation points in one call. $0.025 per contract. Indian jurisdiction support is rare."
"Finally a memory API that doesn't require spinning up a vector DB. Write, read, semantic search — all via simple HTTP. MCP integration works out of the box."
Install the MCP package and get 30+ tools in any agent framework.