Initiate Onchain Withdrawal

post

https://www.sandbox.striga.com/api/v1/wallets/send/initiate/onchain

Send funds on chain to a whitelisted destination on the blockchain. The amount being withdrawn + total fees (including your fees + network fees) must be >= the users' account balance.

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📘
SCA-enabled applications
This endpoint accepts a verificationMethod field (sms, totp, or passkey) for PSD2 Strong Customer Authentication. For BTC, ETH, BNB, SOL and POL withdrawals all three factors are accepted. For USDC withdrawals, totp is only accepted when the destination address is a Trusted Beneficiary; otherwise sms and passkey are the available options. When using passkey, run the ceremony via PASSKEY_APPROVAL_START before calling /wallets/transaction/confirm.

Body Params

userId

string

required

The Id of the user who is sending this transaction

sourceAccountId

string

required

The Id of the account to debit

whitelistedAddressId

string

required

The Id of the whitelisted destination

amount

string

required

The amount denominated in the smallest divisible unit of the sending currency. For example: cents or satoshis

fixedFee

string

Optional fixedFee in Euro cents to override the default application fee configuration. This amount can only be <= the default configured amount for this transaction type.

percentFeeBps

string

Optional percentage fee in bps to override the default application fee configuration. This amount can only be <= the default configured amount for this transaction type.

verificationMethod

string

enum

Defaults to sms

SCA factor — one of sms (default), totp, or passkey. For USDC withdrawals, totp requires the destination address to be a Trusted Beneficiary; non-regulated crypto (BTC/ETH/BNB/SOL/POL) accepts any factor.

Allowed:

Headers

api-key

string

required

api-key is available on the dashboard

Response

Language

Credentials

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Response

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application/json

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