tomevault-io Send
Constructs an unsigned ETH or USDC transfer transaction on Base. Returns the raw transaction object for the client to sign and broadcast.
Endpoint
POST https://pinionos.com/skill/send
Price: $0.01 USDC per call (x402 on Base)
Request Body
{
"to": "0x...",
"amount": "0.1",
"token": "ETH"
}
| Field | Type | Required | Description |
|---|---|---|---|
| to | string | yes | Recipient address (0x, 40 hex chars) |
| amount | string | yes | Amount to send (human-readable) |
| token | string | yes | ETH or USDC |
Example Request
curl -X POST https://pinionos.com/skill/send \
-H "Content-Type: application/json" \
-d '{"to":"0x7a21...","amount":"0.05","token":"ETH"}'
The first request returns HTTP 402 with payment requirements. Sign a USDC TransferWithAuthorization (EIP-3009) and retry with the X-PAYMENT header.
Example Response (ETH)
{
"tx": {
"to": "0x7a21...",
"value": "0xb1a2bc2ec50000",
"data": "0x",
"chainId": 8453
},
"token": "ETH",
"amount": "0.05",
"network": "base",
"note": "Sign this transaction with your private key and broadcast to Base.",
"timestamp": "2026-02-16T12:00:00.000Z"
}
Example Response (USDC)
{
"tx": {
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"value": "0x0",
"data": "0xa9059cbb...",
"chainId": 8453
},
"token": "USDC",
"amount": "10",
"network": "base",
"note": "Sign this transaction with your private key and broadcast to Base.",
"timestamp": "2026-02-16T12:00:00.000Z"
}
When to Use
- Transfer ETH or USDC to another address on Base.
- Build payment workflows where the agent constructs the tx and the user (or another agent) signs.
- Fund a sub-wallet or pay for services.
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