Agentic API
An HTTP API designed to be called primarily by AI agents, typically exposing x402 payment requirements and structured, machine-readable responses.
Related terms
- x402 - An open payment protocol built on top of HTTP 402 that lets servers demand stablecoin payment before serving a resource, and lets clients (i
- API Monetization - The practice of charging for API access - x402 turns this into a per-request, account-free flow that works for both humans and agents.
Recent stories
BUILD
- x402station ships $1 Verified Badge - autonomous M2M trust layer flags 17% of x402 endpoints as non-functional · earezki.com
- Stripe Sessions 2026 ships Link Agent Wallet - x402 sits inside the 288-product agentic commerce stack · stripe.com
- Parallel Web Systems adds x402 to Search, Extract, and Deep Research APIs - $0.01 per call · docs.parallel.ai
- ChainAnalyzer ships x402 USDC payments on Base + Solana mainnet for its MCP server · dev.to
- DGrid AI adds x402 micropayments on BNB Chain - pay-per-call AI inference settled in USD1 within a single API request · cryptonews.net