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MARKET MONITOR / CATALOGUE Services 117,230 MCP listed 40,082 x402 77,211 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-27 · 3 sources
Provider

api.postagent.sh

api.postagent.sh · 1 listed service · provider site

PostAgent x402 REST usage

Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and standalone address verification at POST /v1/verify. Integration...

api.postagent.sh Crypto & Payments 1 calls / 30d checked 2026-10-27
1.24 USDC per call per call

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