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Delx EVM Transfer Recipient Check
x402
Delx EVM Transfer Recipient Check is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Validates that an encoded EVM recipient address matches the intended recipient address before executing a transfer, as a preflight safety check.
Price / call$0.001
Success—
StatusUnknown
How this service works
EVM Transfer Recipient Check: EVM Transfer Recipient Check compares an encoded recipient address with the intended recipient from bounded caller-supplied values without an external provider. Call EVM Transfer Recipient Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Transfer Recipient Check as versioned deter…
Output
Returns a JSON object with a 'matched' boolean, the echoed encoded and intended recipient addresses, a pass/fail status, an operation label ('evm_preflight:evm_transfer_recipient_check'), an evidence block confirming no data retention and zero external calls, and the SHA-256 hash of the input for audit purposes.
Example use cases
Preflight check before ETH transfer
“Before sending the ETH, run a recipient check to make sure the encoded address 0xAbCd1234... still matches the intended wallet 0xAbCd1234... — I don't want funds going to the wrong place.”
Detect clipboard hijacking in agent workflow
“My agent just encoded the recipient address — can you verify the encoded value 0xDEAD... matches the intended recipient 0xDEAD... to rule out any clipboard hijacking before we proceed?”
Audit trail for automated crypto disbursement
“We're disbursing payouts automatically — verify that encoded recipient 0xBEEF... matches intended recipient 0xBEEF... and give me proof the check was run without retaining the data.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/evm-transfer-recipient-checkWhen to prefer
Choose this endpoint when you need a lightweight, stateless, auditable preflight check to confirm an EVM recipient address hasn't been tampered with or corrupted before executing a blockchain transfer. It is ideal for agent-driven workflows where address encoding happens programmatically and clipboard hijacking or encoding bugs are a risk. Prefer this over manual comparison when you need a SHA-256 evidence trail confirming the check was performed without data retention.
Side effects
- Mismatch detected: matched=false returned when encoded_recipient differs from intended_recipient, status='fail'
- Malformed address input: if addresses are not valid hex strings, endpoint may return an error or unexpected result
- Payload too large: encoded_recipient or intended_recipient exceeding 8192 characters will be rejected
- Network/payment failure: x402 payment of $0.001 USDC not processed, resulting in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| encoded_recipient | string | Encoded Recipient supplied to EVM Transfer Recipient Check; used only for this bounded calculation and processed in memory without retention. |
| intended_recipient | string | Intended Recipient supplied to EVM Transfer Recipient Check; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"matched": true,
"encoded_recipient": "0x1111111111111111111111111111111111111111",
"intended_recipient": "0x1111111111111111111111111111111111111111"
},
"schema": "delx/util-evm-transfer-recipient-check/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "418a07bef00b96e0281dc9f7ee7e9b9a0ad8ec353bc9a709181f9bdae7289050",
"external_calls": 0
},
"operation": "evm_preflight:evm_transfer_recipient_check"
}
}Tags
x402
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