Categories

Facilitators, middleware and gateways that let any server answer HTTP 402 and settle in USDC — the plumbing the rest of the directory is built on.

Libraries, SDKs and templates for shipping an x402-payable endpoint — wrap an existing MCP server or API with per-call pricing in a few lines.

Scrapers, crawlers and extraction gateways an agent can pay per page in USDC over x402 — no account signup, no API key rotation, no monthly minimum.

Live datasets and query endpoints priced per call — an agent pays only for the rows it actually pulls, settled on-chain.

Web and vector search tuned for agent context windows, billed per query in USDC. Cited snippets in, no subscription.

Live game telemetry and metagame intelligence for agents — pay per lookup for the data that would otherwise sit behind a scraper.

Market data, quotes and on-chain signals metered per call — agents pay for exactly the ticks they read.

Pay-per-download file delivery and document extraction over x402 — the payment is the access token.

Generation and transformation endpoints — image, audio, video — priced per job in USDC, no platform account required.

Payable tools that don't fit the buckets above yet — the long tail of the agent economy.