The real catalog of tools for AI agents

x402 payment-request parser with a limited token list. Does not sign, approve or judge payments.

Parse user agents — browser, OS, device, bot detection. x402 micropayment.

Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources

Parse, validate and explain cron expressions. Get next run times. x402 micropayment.

25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

Payment decisions, durable evidence, x402 resource discovery and live gateway status for AI agents.

Find paid APIs, check access policy and price, and route x402 requests. No autonomous spending.

Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.

Discover x402 paid APIs and inspect fresh payment requirements before authorizing spend.

x402 MCP web parser: URLs to Markdown for agents. USDC on Base, Polygon, Arbitrum, Ethereum.

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Parse receipts & invoices into structured JSON. Pay per call in USDC (x402 on Base), no API key.

Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

Call before paying an x402 resource. Returns PAY/BLOCKED. Does not move funds.

Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.

Verify signed x402 payments; treasury-scoped settlement is irreversible.

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.