Node4all

Ecosystem Services

Every API and agent tool in the Node4All ecosystem. Live services are ready to query; planned services are scoped and in development.

Testnet

x402 Base validation & testing

Validate your AI agents against our Base Sepolia x402 sandbox. Exercises 402 Payment Required challenges, payment-signature verification, and destination checks end-to-end without real USDC.

Read the guide
Planned

x402 Solana validation & testing

Same x402 flows, Solana Devnet edition. Verify signatures and payment receipts against a live Devnet adapter before moving to mainnet, no SOL-at-risk required. Planned release.

Live

Markdown to PDF

A synchronous Markdown → PDF endpoint for agents that need shareable document artifacts. Accepts JSON or multipart uploads and streams a PDF back directly. Free tier: 1MB on sandbox, 5MB on production. No API key required.

View API docs
WIP

x402 Postman collection

Download the ready-to-import collection for all current sandbox endpoints (Base Sepolia, Solana Devnet, and md2pdf). WIP and expanding, but fully downloadable now.

Download collection
Upcoming

PDF to Markdown

Layout-aware PDF → Markdown conversion so AI agents can ingest 100+ page documents efficiently. Returns structured, low-token Markdown optimized for context windows.

In Rollout

x402 Base Mainnet

Production-grade x402 payment verification on Base mainnet — real USDC, real settlement, same interface as the sandbox. Currently in rollout.

Planned

x402 Solana Mainnet

Promotion of the Solana adapter from Devnet to mainnet, enabling agent-initiated x402 payments over SPL USDC on Solana production.