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POST
/
offramp
/
initiate
Initiate
curl --request POST \
  --url https://api.onswitch.xyz/offramp/initiate \
  --header 'Content-Type: application/json' \
  --header 'x-service-key: <api-key>' \
  --data '
{
  "amount": 100,
  "wallet": "68d4f2a91eb37c15b8e3a4f7",
  "country": "NG",
  "currency": "NGN",
  "asset": "base:usdc",
  "beneficiary": {
    "holder_type": "INDIVIDUAL",
    "holder_name": "Chinonso Adeyemi",
    "account_number": "3048915627",
    "bank_code": "058"
  },
  "narration": "Bank transfer to Chinonso Adeyemi",
  "exact_output": false,
  "callback_url": "https://your-app.com/webhook",
  "reference": "a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90",
  "channel": "BANK",
  "reason": "PERSONAL_TRANSFER",
  "developer_fee": 0.5,
  "developer_recipient": "0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a",
  "refund_address": "0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a",
  "static": false
}
'
import requests

url = "https://api.onswitch.xyz/offramp/initiate"

payload = {
    "amount": 100,
    "wallet": "68d4f2a91eb37c15b8e3a4f7",
    "country": "NG",
    "currency": "NGN",
    "asset": "base:usdc",
    "beneficiary": {
        "holder_type": "INDIVIDUAL",
        "holder_name": "Chinonso Adeyemi",
        "account_number": "3048915627",
        "bank_code": "058"
    },
    "narration": "Bank transfer to Chinonso Adeyemi",
    "exact_output": False,
    "callback_url": "https://your-app.com/webhook",
    "reference": "a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90",
    "channel": "BANK",
    "reason": "PERSONAL_TRANSFER",
    "developer_fee": 0.5,
    "developer_recipient": "0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a",
    "refund_address": "0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a",
    "static": False
}
headers = {
    "x-service-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {'x-service-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: 100,
    wallet: '68d4f2a91eb37c15b8e3a4f7',
    country: 'NG',
    currency: 'NGN',
    asset: 'base:usdc',
    beneficiary: {
      holder_type: 'INDIVIDUAL',
      holder_name: 'Chinonso Adeyemi',
      account_number: '3048915627',
      bank_code: '058'
    },
    narration: 'Bank transfer to Chinonso Adeyemi',
    exact_output: false,
    callback_url: 'https://your-app.com/webhook',
    reference: 'a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90',
    channel: 'BANK',
    reason: 'PERSONAL_TRANSFER',
    developer_fee: 0.5,
    developer_recipient: '0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a',
    refund_address: '0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a',
    static: false
  })
};

fetch('https://api.onswitch.xyz/offramp/initiate', 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.onswitch.xyz/offramp/initiate",
  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([
    'amount' => 100,
    'wallet' => '68d4f2a91eb37c15b8e3a4f7',
    'country' => 'NG',
    'currency' => 'NGN',
    'asset' => 'base:usdc',
    'beneficiary' => [
        'holder_type' => 'INDIVIDUAL',
        'holder_name' => 'Chinonso Adeyemi',
        'account_number' => '3048915627',
        'bank_code' => '058'
    ],
    'narration' => 'Bank transfer to Chinonso Adeyemi',
    'exact_output' => false,
    'callback_url' => 'https://your-app.com/webhook',
    'reference' => 'a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90',
    'channel' => 'BANK',
    'reason' => 'PERSONAL_TRANSFER',
    'developer_fee' => 0.5,
    'developer_recipient' => '0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a',
    'refund_address' => '0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a',
    'static' => false
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-service-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.onswitch.xyz/offramp/initiate"

	payload := strings.NewReader("{\n  \"amount\": 100,\n  \"wallet\": \"68d4f2a91eb37c15b8e3a4f7\",\n  \"country\": \"NG\",\n  \"currency\": \"NGN\",\n  \"asset\": \"base:usdc\",\n  \"beneficiary\": {\n    \"holder_type\": \"INDIVIDUAL\",\n    \"holder_name\": \"Chinonso Adeyemi\",\n    \"account_number\": \"3048915627\",\n    \"bank_code\": \"058\"\n  },\n  \"narration\": \"Bank transfer to Chinonso Adeyemi\",\n  \"exact_output\": false,\n  \"callback_url\": \"https://your-app.com/webhook\",\n  \"reference\": \"a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90\",\n  \"channel\": \"BANK\",\n  \"reason\": \"PERSONAL_TRANSFER\",\n  \"developer_fee\": 0.5,\n  \"developer_recipient\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"refund_address\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"static\": false\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-service-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.onswitch.xyz/offramp/initiate")
  .header("x-service-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 100,\n  \"wallet\": \"68d4f2a91eb37c15b8e3a4f7\",\n  \"country\": \"NG\",\n  \"currency\": \"NGN\",\n  \"asset\": \"base:usdc\",\n  \"beneficiary\": {\n    \"holder_type\": \"INDIVIDUAL\",\n    \"holder_name\": \"Chinonso Adeyemi\",\n    \"account_number\": \"3048915627\",\n    \"bank_code\": \"058\"\n  },\n  \"narration\": \"Bank transfer to Chinonso Adeyemi\",\n  \"exact_output\": false,\n  \"callback_url\": \"https://your-app.com/webhook\",\n  \"reference\": \"a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90\",\n  \"channel\": \"BANK\",\n  \"reason\": \"PERSONAL_TRANSFER\",\n  \"developer_fee\": 0.5,\n  \"developer_recipient\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"refund_address\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"static\": false\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.onswitch.xyz/offramp/initiate")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["x-service-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 100,\n  \"wallet\": \"68d4f2a91eb37c15b8e3a4f7\",\n  \"country\": \"NG\",\n  \"currency\": \"NGN\",\n  \"asset\": \"base:usdc\",\n  \"beneficiary\": {\n    \"holder_type\": \"INDIVIDUAL\",\n    \"holder_name\": \"Chinonso Adeyemi\",\n    \"account_number\": \"3048915627\",\n    \"bank_code\": \"058\"\n  },\n  \"narration\": \"Bank transfer to Chinonso Adeyemi\",\n  \"exact_output\": false,\n  \"callback_url\": \"https://your-app.com/webhook\",\n  \"reference\": \"a3f9c2e1-7b4d-4a8e-9c62-1d8f4e6b2a90\",\n  \"channel\": \"BANK\",\n  \"reason\": \"PERSONAL_TRANSFER\",\n  \"developer_fee\": 0.5,\n  \"developer_recipient\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"refund_address\": \"0x8F3aC91d2B741E59f064E9053a4d2E8F1c0b6D93a\",\n  \"static\": false\n}"

response = http.request(request)
puts response.read_body
{
  "success": true,
  "message": "Offramp initiated successfully",
  "timestamp": "2026-04-23T14:35:04.264Z",
  "data": {
    "status": "AWAITING_DEPOSIT",
    "type": "OFFRAMP",
    "reference": "61f9a35a-e535-4f04-ba50-3058b4c856c4",
    "beneficiary": "69e8e664b9fea9f9e6dc3cbb",
    "rate": 1380.845,
    "developer_fee": {
      "amount": 0,
      "amount_usd": 0,
      "currency": "USDC",
      "network": "BASE"
    },
    "source": {
      "amount": 10,
      "amount_usd": 10,
      "network": "BASE",
      "currency": "USDC"
    },
    "destination": {
      "amount": 13808.45,
      "amount_usd": 10,
      "network": "FIAT",
      "currency": "NGN"
    },
    "deposit": {
      "amount": 10,
      "address": "0x3131b6f6a32751C9d99C1710e357A6C4297d17Bc",
      "asset": "base:usdc",
      "note": [
        "Kindly send the exact amount to the wallet address to complete the transaction.",
        "This wallet address is for one-time use only and has a 30 minutes expiry window."
      ]
    },
    "meta": {},
    "created_at": "2026-04-23T14:35:02.448Z",
    "updated_at": "2026-04-23T14:35:02.448Z"
  }
}
{
  "success": false,
  "message": "amount must be greater than 0 for the selected corridor",
  "timestamp": "2026-04-18T14:22:08.631Z",
  "data": null
}

Authorizations

​
x-service-key
string
header
required

Service key for API authentication

Body

application/json
​
amount
number
required
Required range: x >= 0
​
country
enum<string>
required
Available options:
AD,
AE,
AF,
AG,
AI,
AL,
AM,
EU,
AN,
AO,
AQ,
AR,
AS,
AT,
AU,
AW,
AZ,
BA,
BB,
BD,
BE,
BF,
BG,
BH,
BI,
BJ,
BM,
BN,
BO,
BR,
BS,
BT,
BV,
BW,
BY,
BZ,
CA,
CC,
CD,
CF,
CG,
CH,
CI,
CK,
CL,
CM,
CN,
CO,
CR,
CU,
CV,
CX,
CY,
CZ,
DE,
DJ,
DK,
DM,
DO,
DZ,
EC,
EE,
EG,
EH,
ER,
ES,
ET,
FI,
FJ,
FK,
FM,
FO,
FR,
GA,
GB,
GD,
GE,
GF,
GG,
GH,
GI,
GL,
GM,
GN,
GP,
GQ,
GR,
GS,
GT,
GU,
GW,
GY,
GZ,
HK,
HM,
HN,
HR,
HT,
HU,
ID,
IE,
IL,
IM,
IN,
IO,
IQ,
IR,
IS,
IT,
JE,
JM,
JO,
JP,
KE,
KG,
KH,
KI,
KM,
KN,
KP,
KR,
KW,
KY,
KZ,
LA,
LB,
LC,
LI,
LK,
LR,
LS,
LT,
LU,
LV,
LY,
MA,
MC,
MD,
ME,
MG,
MH,
MK,
ML,
MM,
MN,
MO,
MP,
MQ,
MR,
MS,
MT,
MU,
MV,
MW,
MX,
MY,
MZ,
NA,
NC,
NE,
NF,
NG,
NI,
NL,
NO,
NP,
NR,
NU,
NZ,
OM,
PA,
PE,
PF,
PG,
PH,
PK,
PL,
PM,
PN,
PR,
PS,
PT,
PW,
PY,
QA,
RE,
RO,
RS,
RU,
RW,
SA,
SB,
SC,
SD,
SE,
SG,
SH,
SI,
SJ,
SK,
SL,
SM,
SN,
SO,
SR,
SS,
ST,
SV,
SY,
SZ,
TC,
TD,
TF,
TG,
TH,
TJ,
TK,
TL,
TM,
TN,
TO,
TR,
TT,
TV,
TW,
TZ,
UA,
UG,
UM,
US,
UY,
UZ,
VA,
VC,
VE,
VG,
VI,
VN,
VU,
WF,
WS,
XK,
YE,
YT,
ZA,
ZM,
ZW
​
asset
enum<string>
required
Available options:
base:usdc,
solana:usdc,
solana:usdt,
ethereum:usdc,
ethereum:usdt,
polygon:usdc,
polygon:usdt,
bsc:usdc,
bsc:usdt,
arbitrum:usdc,
optimism:usdc,
gnosis:usdc,
gnosis:usdt,
arbitrum:usdt,
avalanche:usdc,
monad:usdc,
optimism:usdt,
monad:usdt,
plasma:usdt,
avalanche:usdt,
tron:usdt,
linea:usdt,
mantle:usdt,
hyperevm:usdt,
berachain:usdt,
linea:usdc,
berachain:usdc,
sonic:usdc,
base:cngn,
bsc:cngn
​
beneficiary
Receive to saved beneficiary · object
required

The recipient of the offramp transaction.

​
wallet
string

Wallet to send the offramp amount from

​
currency
enum<string>

Currency code (optional).

Available options:
AED,
AFN,
ALL,
AMD,
ANG,
AOA,
ARS,
AUD,
AWG,
AZN,
BAM,
BBD,
BDT,
BGN,
BHD,
BIF,
BMD,
BND,
BOB,
BRL,
BSD,
BTN,
BWP,
BYN,
BZD,
CAD,
CDF,
CHF,
CLP,
CNY,
COP,
CRC,
CUP,
CVE,
CZK,
DJF,
DKK,
DOP,
DZD,
EGP,
ERN,
ETB,
EUR,
FJD,
FKP,
FOK,
GBP,
GEL,
GGP,
GHS,
GIP,
GMD,
GNF,
GTQ,
GYD,
HKD,
HNL,
HRK,
HTG,
HUF,
IDR,
ILS,
IMP,
INR,
IQD,
IRR,
ISK,
JEP,
JMD,
JOD,
JPY,
KES,
KGS,
KHR,
KID,
KMF,
KRW,
KWD,
KYD,
KZT,
LAK,
LBP,
LKR,
LRD,
LSL,
LYD,
MAD,
MDL,
MGA,
MKD,
MMK,
MNT,
MOP,
MRU,
MUR,
MVR,
MWK,
MXN,
MYR,
MZN,
NAD,
NGN,
NIO,
NOK,
NPR,
NZD,
OMR,
PAB,
PEN,
PGK,
PHP,
PKR,
PLN,
PYG,
QAR,
RON,
RSD,
RUB,
RWF,
SAR,
SBD,
SCR,
SDG,
SEK,
SGD,
SHP,
SLL,
SOS,
SRD,
SSP,
STN,
SYP,
SZL,
THB,
TJS,
TMT,
TND,
TOP,
TRY,
TTD,
TVD,
TWD,
TZS,
UAH,
UGX,
USD,
UYU,
UZS,
VES,
VND,
VUV,
WST,
XAF,
XCD,
XDR,
XOF,
XPF,
YER,
ZAR,
ZMW,
ZWL
​
sender_name
string

Bank transfer sender name. Only applicable for Nigeria bank transfers.

​
narration
string

Transfer narration or memo; appears on the recipient's statement.

​
exact_output
boolean
default:false
​
callback_url
string<uri>

Webhook URL to receive transaction status updates.

​
reference
string<uuid>
​
channel
enum<string>

Optional transfer channel. If not specified, defaults to the country's default channel.

Available options:
BANK,
BLOCKCHAIN,
SWIFT,
SEPA,
SEPA_EUR,
WIRE,
ACH,
DOMESTIC_GBP,
MOBILEMONEY,
ALIPAY,
WECHATPAY
​
reason
enum<string>

Purpose of the payment.

Available options:
ADVERTISING_EXPENSES,
ADVISORY_FEES,
BUSINESS_INSURANCE,
COMPUTER_SERVICES,
CONSTRUCTION_EXPENSES,
DELIVERY_FEES,
EDUCATION,
EXPORTED_GOODS,
FAMILY_SUPPORT,
FUND_INVESTMENT,
GIFT_AND_DONATION,
HOTEL_ACCOMMODATION,
INFLUENCER_PAYMENT,
INSURANCE_CLAIMS,
LIBERALIZED_REMITTANCE,
LOAN_PAYMENT,
MAINTENANCE_EXPENSES,
MEDICAL_TREATMENT,
OFFICE_EXPENSES,
OTHER,
OTHER_FEES,
PERSONAL_TRANSFER,
PROPERTY_PURCHASE,
PROPERTY_RENTAL,
REWARD_PAYMENT,
ROYALTY_FEES,
SALARY_PAYMENT,
SERVICE_CHARGES,
SHARES_INVESTMENT,
SMALL_VALUE_REMITTANCE,
TAX_PAYMENT,
TRAVEL,
TRANSPORTATION_FEES,
UTILITY_BILLS
​
developer_fee
number

Optional developer fee percentage (0-100)

Required range: 0 <= x <= 100
​
developer_recipient
string

Optional wallet address to receive developer fee.

​
refund_address
string

Optional wallet address to receive refunds for failed/expired deposits.

​
static
boolean

Optional. When true, deposit address will always be the same for the same beneficiary.

Response

Successfully initiated offramp transaction

​
success
boolean
required
​
message
string
required
​
timestamp
string<date-time>
required
​
data
object | null
required