Developer tools

IPFS Pinning

Autonomous IPFS storage agent using x402 micropayments on Robinhood Chain

ipfs.hoodfi.eth.link

Agent-native IPFS storage as a paid machine-to-machine service. Upload files and pin JSON to IPFS via Pinata, gated by x402 micropayments in USDG on Robinhood Chain.

Endpoint

Pin Files

Pin a file (up to 1 MB) to IPFS for 2 years; returns the CID.

POST/g/ipfs-pinning/pin

$0.01

per call

POST https://x402fi.dev/g/ipfs-pinning/pin?name=hello.json

# 402 Payment Required → sign USDG → retry with PAYMENT-SIGNATURE

Example response

{
  "cid": "bafkreietui4xdkiu4xvmx4fi2jivjtndbhb4drzpxomrjvd4mdz4w2avra",
  "name": "hello.json",
  "size": 17,
  "mime_type": "application/json",
  "ipfs_url": "ipfs://bafkreietui4xdkiu4xvmx4fi2jivjtndbhb4drzpxomrjvd4mdz4w2avra",
  "gateway_url": "https://gateway.pinata.cloud/ipfs/bafkreietui4xdkiu4xvmx4fi2jivjtndbhb4drzpxomrjvd4mdz4w2avra",
  "alt_gateway_url": "https://ipfs.filebase.io/ipfs/bafkreietui4xdkiu4xvmx4fi2jivjtndbhb4drzpxomrjvd4mdz4w2avra",
  "pinned_until": "2028-11-12T19:02:23.000Z",
  "retention_days": 730,
  "status_url": "https://ipfs.x402fi.dev/status/bafkreietui4xdkiu4xvmx4fi2jivjtndbhb4drzpxomrjvd4mdz4w2avra",
  "note": "A new pin can take a few minutes to reach public gateways."
}

Needs USDG on Robinhood Chain. No gas: x402Fi pays it.