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Coinbase Onramp URL Generator
x402
Coinbase Onramp URL Generator is a paid API for AI agents from agent402.tools, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Generates a single-use Coinbase Onramp checkout URL that lets a user fund a wallet with USDC (or other crypto) via card or Apple Pay, including a fee-inclusive quote.
Price / call$0.001
Success—
StatusUnknown
How this service works
Generate a single-use Coinbase Onramp URL that lets a human fund any wallet with a card or Apple Pay - the fastest way to put real USDC into an agent's wallet. Returns the ready-to-open URL, and a fee-inclusive quote when Coinbase provides one. Networks: base, ethereum, polygon, arbitrum, optimism, solana.
Output
Returns a ready-to-open single-use Coinbase Onramp URL the user can click to complete purchase via card or Apple Pay, along with a fee-inclusive quote showing the total cost for the requested crypto amount.
Example use cases
Example prompt
“Generate a Coinbase Onramp checkout link to send 25 USDC to my Base wallet at 0xAbc123...def456 — I'm in the US, state NY, and redirect me to https://myapp.com/success after checkout.”
Technical details
Endpoint
POSThttps://agent402.tools/api/onramp-linkWhen to prefer
Use this endpoint when you need to let a human fund an on-chain wallet with fiat currency (card or Apple Pay) via Coinbase Onramp, especially when the destination is a Base, Ethereum, Polygon, Arbitrum, Optimism, or Solana wallet. Prefer this over manual exchange instructions when you want a single frictionless checkout link with a fee-inclusive quote.
Side effects
- Invalid or malformed wallet address returns a 400-level error
- Unsupported network name causes a validation error
- Country not supported by Coinbase Onramp returns an error
- Amount below minimum or above maximum threshold causes rejection
- Missing required address field returns a validation error
- x402 payment of $0.001 USDC fails if agent wallet is underfunded
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| asset | string | Ticker to purchase (default USDC) |
| amount | string | Crypto amount the wallet should receive (default 10) |
| address | string | Destination wallet address (EVM 0x… or Solana base58, matching the network) |
| country | string | Buyer's ISO 3166-1 country code (default US) |
| network | string | base (default) | ethereum | polygon | arbitrum | optimism | solana |
| redirectUrl | string | Optional URL to send the buyer to after checkout |
| subdivision | string | US state code (e.g. NY) - required for US buyers by some payment methods |
Output
Schema · Response
{
"type": "json",
"example": {
"note": "Open the URL in a browser to complete the purchase - it is single-use and expires after first visit.",
"onrampUrl": "https://pay.coinbase.com/…single-use…",
"singleUse": true
}
}Tags
x402
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