Pay 0.5 USDC on Base to retrieve IPFS content via Grapevine's x402 gateway.
What it does
This endpoint is an x402-enabled gateway operated by Grapevine (gateway.grapevine.fyi) that serves content addressed by IPFS CIDs. When accessed without payment, it returns a 402 Payment Required challenge requesting 0.5 USDC on the Base network. Once a valid x-payment header is provided, the gateway returns the requested content as plain text.
The specific resource behind this endpoint is identified by the IPFS CID `bafybeif5ck7iuvkdq5n2a2hxxvbwaoade3p43pbyp2jhb355bg6yl7y3fa`. The payment is made to address `0x5ba9355a10611Ed4339526472a59bEfed3549bAD` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The x402 challenge uses the "exact" payment scheme with a maximum timeout of 60 seconds.
Documentation for this gateway is sparse. The root domain returns an error indicating a CID is required, and no docs, API reference, or pricing pages were found. The gateway appears to be a general-purpose paid IPFS content retrieval service, but details about what content is behind this particular CID, rate limits, or additional features are not available from the crawled material.
Capabilities
Use cases
- —Retrieving paywalled IPFS content programmatically via x402 micropayment
- —Monetizing content-addressed files stored on IPFS
- —Agent-driven purchase of specific decentralized content behind a payment wall
Fit
Best for
- —Agents that need to fetch specific paywalled IPFS content
- —Developers integrating x402 micropayments for decentralized content access
- —Workflows requiring verifiable content-addressed data retrieval with payment
Not for
- —Free or bulk IPFS content retrieval (each request costs 0.5 USDC)
- —Users who need content on networks other than Base
- —Discovering or browsing available content (no listing or search functionality exposed)
Quick start
curl -X GET \
-H "x-payment: <valid-x402-payment-token>" \
https://gateway.grapevine.fyi/x402/cid/bafybeif5ck7iuvkdq5n2a2hxxvbwaoade3p43pbyp2jhb355bg6yl7y3faEndpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is virtually no documentation, no OpenAPI schema, no examples of successful responses, and no information about what content this CID resolves to. All details are inferred from the 402 challenge alone.
Warnings
- —No documentation found — all crawled pages return errors
- —Content behind this CID is unknown; the response MIME type is text/plain but actual content is unverified
- —No OpenAPI or schema documentation available
- —Cost is 0.5 USDC per request which is relatively high for a single fetch — verify value before purchasing
Citations
- —Endpoint returns a 402 challenge requesting 0.5 USDC on Base network via the exact schemehttps://gateway.grapevine.fyi/x402/cid/bafybeif5ck7iuvkdq5n2a2hxxvbwaoade3p43pbyp2jhb355bg6yl7y3fa
- —Payment address is 0x5ba9355a10611Ed4339526472a59bEfed3549bAD using USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://gateway.grapevine.fyi/x402/cid/bafybeif5ck7iuvkdq5n2a2hxxvbwaoade3p43pbyp2jhb355bg6yl7y3fa
- —Root domain returns 'No CID provided' error, no docs pages foundhttps://gateway.grapevine.fyi