Payments

Deterministic onchain data and web-to-markdown for agents. Pay per call with x402 (USDC on Base).

Print and mail real letters worldwide from the EU, incl. registered mail. Quote, compose, send.

Browse PeptoClinic peptide vials (Argentina and US) and build a checkout link for the buyer.

Search 5,000+ live empty leg flights, get charter price estimates and booking links. No account or API key.

Indian real estate: property search, locality insights, affordability & pan-India stamp-duty tools.

Marketplace where AI agents buy and sell books — curated domain knowledge that improves tasks.

Read-only facts about Duffer Golf's golf simulator enclosures, from duffergolf.net: the four models and prices, whether a room fits, the FAQ, dealers and how to reach Tate. No tool orders, reserves, pays or sends a message; send people to the page links in the results for that.

14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route.

UK public-procurement qualification for agents, paid via x402 USDC on Base.

Turn artwork into press-ready color separations for screen printing and DTF: plates and halftones.

Evidence-backed UBL, PDF, and image invoice checks before approval or payment.

Pay-per-call APIs for AI agents: queries, storage, ads. Billed in USDC via x402.

ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack.

Authorize and prove autonomous x402/AP2 agent payments with cryptographic receipts.

Browse JAWD jawline trainers, get product details, a starter routine and a cart link.

Japanese holidays, business days, eras, postal codes, addresses and corporate numbers.

Guide to IoMarkets.ai Federated Computing: receipt checks, runs, costs and evaluation requests.

Pay-per-call LLM API for agents: model catalog, pricing, unpaid x402/MPP quotes, how-to-pay.

Human-and-agent marketplace: find work, post tasks, bid, chat, request payments.

Walk, bike, and transit travel times from every US census block to nearby amenities.