Child Address Execute
curl --request POST \
--url https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"paymentMethod": "<string>",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"assetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"amount": "<string>",
"amountSide": "source",
"currency": "<string>",
"paymentMethodData": {},
"isGaslessWithdraw": true,
"reference": "wd_20260719_001",
"metadata": {
"payoutId": "payout_123"
},
"note": "Vendor payout",
"provider": "<string>",
"code": "<string>",
"passkeyResponse": {}
}
'import requests
url = "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute"
payload = {
"sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"paymentMethod": "<string>",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"assetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"amount": "<string>",
"amountSide": "source",
"currency": "<string>",
"paymentMethodData": {},
"isGaslessWithdraw": True,
"reference": "wd_20260719_001",
"metadata": { "payoutId": "payout_123" },
"note": "Vendor payout",
"provider": "<string>",
"code": "<string>",
"passkeyResponse": {}
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
sessionId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
paymentMethod: '<string>',
customerId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
assetId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
amount: '<string>',
amountSide: 'source',
currency: '<string>',
paymentMethodData: {},
isGaslessWithdraw: true,
reference: 'wd_20260719_001',
metadata: {payoutId: 'payout_123'},
note: 'Vendor payout',
provider: '<string>',
code: '<string>',
passkeyResponse: {}
})
};
fetch('https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'sessionId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'paymentMethod' => '<string>',
'customerId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'assetId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'amount' => '<string>',
'amountSide' => 'source',
'currency' => '<string>',
'paymentMethodData' => [
],
'isGaslessWithdraw' => true,
'reference' => 'wd_20260719_001',
'metadata' => [
'payoutId' => 'payout_123'
],
'note' => 'Vendor payout',
'provider' => '<string>',
'code' => '<string>',
'passkeyResponse' => [
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute"
payload := strings.NewReader("{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}"
response = http.request(request)
puts response.read_body{
"message": "Successful",
"data": {
"id": "5b26b640-7a15-48aa-a465-82a4cb6e927b",
"reference": "wd_20260719_001",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"recipientAddress": "0123456789",
"tokenAddress": "0xA0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"amount": "100.00",
"amountPaid": "100.00",
"amountUSD": "100.00",
"rateUSD": "1.00",
"fee": "1.50",
"feeUSD": "1.50",
"currency": "NGN",
"toCurrency": "NGN",
"hash": null,
"confirmed": false,
"status": "pending",
"processingStatus": "pending",
"processingProviderReference": null,
"type": "offramp",
"note": "Vendor payout",
"createdAt": "2026-07-19T12:30:00.000Z",
"updatedAt": "2026-07-19T12:30:00.000Z"
},
"status": true
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}v2
Child Address Execute
For customer-owned withdrawals, provide customerId when starting the flow; subsequent requests inherit it from sessionId. Changing identity requires a new rates request. Customer eligibility failures use the HTTP error details contract. See Customer fiat flows.
POST
/
v2
/
wallets
/
{walletId}
/
addresses
/
{addressId}
/
withdraw
/
fiat
/
execute
Child Address Execute
curl --request POST \
--url https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"paymentMethod": "<string>",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"assetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"amount": "<string>",
"amountSide": "source",
"currency": "<string>",
"paymentMethodData": {},
"isGaslessWithdraw": true,
"reference": "wd_20260719_001",
"metadata": {
"payoutId": "payout_123"
},
"note": "Vendor payout",
"provider": "<string>",
"code": "<string>",
"passkeyResponse": {}
}
'import requests
url = "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute"
payload = {
"sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"paymentMethod": "<string>",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"assetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"amount": "<string>",
"amountSide": "source",
"currency": "<string>",
"paymentMethodData": {},
"isGaslessWithdraw": True,
"reference": "wd_20260719_001",
"metadata": { "payoutId": "payout_123" },
"note": "Vendor payout",
"provider": "<string>",
"code": "<string>",
"passkeyResponse": {}
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
sessionId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
paymentMethod: '<string>',
customerId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
assetId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
amount: '<string>',
amountSide: 'source',
currency: '<string>',
paymentMethodData: {},
isGaslessWithdraw: true,
reference: 'wd_20260719_001',
metadata: {payoutId: 'payout_123'},
note: 'Vendor payout',
provider: '<string>',
code: '<string>',
passkeyResponse: {}
})
};
fetch('https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'sessionId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'paymentMethod' => '<string>',
'customerId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'assetId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'amount' => '<string>',
'amountSide' => 'source',
'currency' => '<string>',
'paymentMethodData' => [
],
'isGaslessWithdraw' => true,
'reference' => 'wd_20260719_001',
'metadata' => [
'payoutId' => 'payout_123'
],
'note' => 'Vendor payout',
'provider' => '<string>',
'code' => '<string>',
'passkeyResponse' => [
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute"
payload := strings.NewReader("{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.blockradar.co/v2/wallets/{walletId}/addresses/{addressId}/withdraw/fiat/execute")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"sessionId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"paymentMethod\": \"<string>\",\n \"customerId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"assetId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"amount\": \"<string>\",\n \"amountSide\": \"source\",\n \"currency\": \"<string>\",\n \"paymentMethodData\": {},\n \"isGaslessWithdraw\": true,\n \"reference\": \"wd_20260719_001\",\n \"metadata\": {\n \"payoutId\": \"payout_123\"\n },\n \"note\": \"Vendor payout\",\n \"provider\": \"<string>\",\n \"code\": \"<string>\",\n \"passkeyResponse\": {}\n}"
response = http.request(request)
puts response.read_body{
"message": "Successful",
"data": {
"id": "5b26b640-7a15-48aa-a465-82a4cb6e927b",
"reference": "wd_20260719_001",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"recipientAddress": "0123456789",
"tokenAddress": "0xA0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"amount": "100.00",
"amountPaid": "100.00",
"amountUSD": "100.00",
"rateUSD": "1.00",
"fee": "1.50",
"feeUSD": "1.50",
"currency": "NGN",
"toCurrency": "NGN",
"hash": null,
"confirmed": false,
"status": "pending",
"processingStatus": "pending",
"processingProviderReference": null,
"type": "offramp",
"note": "Vendor payout",
"createdAt": "2026-07-19T12:30:00.000Z",
"updatedAt": "2026-07-19T12:30:00.000Z"
},
"status": true
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}{
"statusCode": 123,
"message": "<string>",
"details": {
"code": "CUSTOMER_ONBOARDING_REQUIRED",
"customerId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"provider": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"slug": "<string>",
"name": "<string>"
},
"onboarding": {
"caseId": "<string>",
"status": "<string>",
"providerStatus": "<string>",
"action": {
"type": "create_case",
"method": "POST",
"path": "/v1/customers/18d2f159-e0cd-4a45-b735-e9dfe0f7520a/onboarding-requests",
"body": {
"provider": "<string>",
"type": "onramp"
}
}
}
},
"requestId": "<string>"
}Para identidad, sesiones, recuperación y comisiones, consulte Flujos fiat para clientes.
Autorizaciones
Parámetros de ruta
Wallet identifier.
Child address identifier.
Cuerpo
application/json
- Option 1
- Option 2
Supply sessionId, or all original routing fields. Repeated fields must match the session. Customer identity is inherited from the session.
Session ID returned by the v2 rates endpoint.
ID of an existing active customer owned by the authenticated business.
Pattern:
^\d+(\.\d+)?$source fixes the total source-asset budget, with fees allocated inside it; target fixes the fiat payout before beneficiary deductions and derives the required source debit.
Opciones disponibles:
source, target Required string length:
3Unique client reference used for reconciliation and safe retries.
Ejemplo:
"wd_20260719_001"
Your application metadata.
Ejemplo:
{ "payoutId": "payout_123" }
Human-readable transaction note.
Ejemplo:
"Vendor payout"
Completed payment-method resolution, including the provider resolutionId. Required when the provider returned a resolution session. Complete every nextStep before quoting or executing.
Show child attributes
Show child attributes
2FA code, when required.
WebAuthn assertion, when required.