TankID PDF Service — Pay-Per-Call PDF Processing for AI Agents

● LIVE x402 v2 Lowest Cost

What is this?

TankID provides PDF text extraction and Markdown conversion via a simple HTTP API. Instead of monthly subscriptions or API keys, you pay per call in USDC on Base using the x402 payment protocol.

Built for AI agents, automation workflows, and developers who need occasional PDF processing without committing to a subscription.

📊 Pricing

$0.001

per extraction

$0.002

per markdown

$0

health & discovery

Tied for cheapest PDF service on the x402 Bazaar. No hidden fees, no minimums, no rate limits.

🔌 Endpoints

FREE GET /health — Service health check

FREE GET /test — Service info and endpoint listing

FREE GET /llms.txt — Agent-friendly documentation

FREE GET /openapi.json — OpenAPI 3.1 spec

FREE GET /.well-known/x402 — x402 discovery

$0.001 POST /api/pdf/extract — Extract raw text from PDF

$0.002 POST /api/pdf/to-markdown — Convert PDF to structured Markdown

🚀 Quick Start

Using awal (x402 client):

# Extract text from a PDF
awal x402 pay https://tankid.io/api/pdf/extract \
  --file ./document.pdf \
  --amount 0.001

# Convert PDF to Markdown
awal x402 pay https://tankid.io/api/pdf/to-markdown \
  --file ./document.pdf \
  --amount 0.002

Or with curl (returns 402 with payment requirements):

curl -X POST https://tankid.io/api/pdf/extract \
  -F "pdf=@document.pdf"

🔗 Discovery & Integration

📄 OpenAPI Spec 🤖 llms.txt 🔍 x402 Discovery ✅ Health Check

🛠️ MCP Server

A Model Context Protocol (MCP) server is available for integration with Claude, Cursor, and other MCP-compatible agents.

# Coming soon to npm
npx @tankid/pdf-mcp-server