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Add mdapi + chainpulse (live x402 services) to Ecosystem#468

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Add mdapi + chainpulse (live x402 services) to Ecosystem#468
lightwheel10 wants to merge 2 commits into
Merit-Systems:masterfrom
lightwheel10:add-mdapi

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@lightwheel10

@lightwheel10 lightwheel10 commented Jul 17, 2026

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Adds two live production x402 services on Base (same operator) to the Ecosystem section:

mdapi

  • POST /md: URL or raw HTML to clean, LLM-ready Markdown (Readability article extraction; optional render:true headless-browser pass for JS-rendered SPAs)
  • POST /extract: structured JSON (title, byline, excerpt, links, images, meta)
  • $0.005/call, USDC on Base via x402, no signup or API key

chainpulse

  • POST /price (aggregated spot prices + confidence score), POST /gas (Ethereum/Base/Arbitrum/Optimism/Polygon with USD transfer cost), POST /tvl (DeFi TVL by DefiLlama slug)
  • $0.001/call, USDC on Base via x402

Verifiable: every endpoint returns a standard 402 payment-requirements body on unpaid POST; both services are indexed in the CDP Bazaar and uptime-monitored on x402-list.com.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@lightwheel10 lightwheel10 changed the title Add mdapi (URL/HTML to Markdown x402 API) to Ecosystem Add mdapi + chainpulse (live x402 services) to Ecosystem Jul 17, 2026
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