BitBooth

PageDelta, one paid API

Render a public page and compare a later observation for $0.01 per call. This is BitBooth's one featured pay-per-call endpoint over x402. The live 402 challenge is the authority for configured payment rails; PageDelta does not offer Solana today. Machine-readable details are at /bazaar.json. Earlier paid routes remain callable for compatibility but are not promoted here.

Network eip155:8453 Asset USDC PayTo 0xDa2F…769F Count 1

Test free API delivery, no wallet needed

The /v1/free/echo endpoint tests free delivery, not PageDelta rendering or a paid receipt. Five calls per IP per hour. Run this in your terminal:

curl -s -X POST https://app.heinrichstech.com/v1/free/echo -H "content-type: application/json" -d '{"message":"hello"}'
POST /v1/cdp/render-pro
data $0.01 USDC

PageDelta by BitBooth: pay $0.01 once to render a public page, extract bounded Markdown and exact focus evidence, capture an optional visual snapshot, and compare it with this payer's previous observation. Returns hashes, a tracking cursor, a content-bound observation ID, and settled payment identity. No API key or subscription.

Docs →
show curl
curl -s -X POST https://app.heinrichstech.com/v1/cdp/render-pro -H "content-type: application/json" -d '{"url":"https://example.com"}'

MCP buyer configuration

@bitbooth/mcp-fetch@2.3.1 remains public on npm and clean-install verified. Its official MCP Registry entry, io.github.Drock91/bitbooth-fetch version 2.3.1, is active with isLatest: true (published 2026-09-12T02:45:49.479212Z). Copy the exact-version, credential-free configuration below for free discovery and preflight. page_delta stays hidden until the operator explicitly selects XRPL RLUSD, supplies a dedicated wallet, and sets per-call and daily caps.

{
  "mcpServers": {
    "bitbooth": {
      "command": "npx",
      "args": ["-y", "@bitbooth/mcp-fetch@2.3.1"]
    }
  }
}
Enable PageDelta safely →
Copied to clipboard