Create Withdrawal — THB

ถอนเป็นบาท เข้าบัญชีธนาคารปลายทาง

THB Bank Account

This withdrawal now supports PromptPay

Just set receiver_bank to "PromptPay"

View update

ใช้ API นี้กับระบบ P2P ได้ — แต่ต้องเป็น PromptPay เท่านั้น

ดูไทม์ไลน์ของรายการถอนแบบ P2P, การแบ่งขาให้ผู้ฝากหลายราย และบัญชีกลางที่เข้ามาโอนแทนเมื่อเติมไม่ครบ ที่หน้า P2P Flow

POSTCreate THB Withdrawal

Endpoint URL

https://testnet.trustsig.xyz/v1/withdrawal/createRequest/fiat

Authentication Status

API Key is required for all requests Webhook Secret

Headers

x-api-key

Required

API Key for authentication

x-signature

Required

HMAC-SHA256 signature for authentication

x-timestamp

Required

Timestamp (milliseconds) for signature

Parameters (Request Body)

withdrawal_mode

string Required

Withdrawal Status

order_id

string Required

A unique order reference ID from your system (e.g., mystore_order_1234, uuid). Please use the same Order ID for the same transaction and do not generate a new one.

amount

number Required

Withdrawal Amount

currency

string Required

Currency

PromptPay

receiver_bank

string Required

Destination bank code, e.g. "SCB", or set "PromptPay" to withdraw via PromptPay (case-insensitive) — this single field decides the payout rail.

receiver_name

string Required

Recipient

withdrawal_address

string Required

Destination bank account number, or a PromptPay number. Non-digit characters are stripped before validation.

chain

string Required

Type

asset_type

string Required

Type

additional

object Required

Metadata

PromptPay

The same endpoint supports PromptPay withdrawals — set receiver_bank to "PromptPay" (case-insensitive) and put the PromptPay number in withdrawal_address. The system reads its format for you.

Accepted number	Format
Thai mobile phone	10 digits, starts with 06, 08, or 09
Thai citizen national ID	13 digits (mod-11 checksum)
Thai juristic tax ID	13 digits (mod-11 checksum)
BOT-issued e-wallet ID	15 digits, digits only

PromptPay

cURL

curl --location 'https://testnet.trustsig.xyz/v1/withdrawal/createRequest/fiat' \

--request POST \

--header 'x-api-key: $SIGNATURE_API_KEY' \

--header 'x-signature: $SIGNATURE' \

--header 'x-timestamp: $TIMESTAMP' \

--header 'Content-Type: application/json' \

--data '{

"withdrawal_mode": "FIAT",

"order_id": "dbbe283f-5e01-4b9f-8f75-960b6381272a",

"amount": 300,

"currency": "THB",

"receiver_bank": "PromptPay",

"receiver_name": "SOMCHAI JAIDEE",

"withdrawal_address": "1234567890123",

"chain": "offchain",

"asset_type": "native",

"additional": {

"description": "test withdrawal",

"reference_user_id": 123

}

Response Example

200 OK Response

{
  "data": {
    "id": "5f9d585a-1a77-4fd0-b2c8-11d9f6cc2b01",
    "order_id": "dbbe283f-5e01-4b9f-8f75-960b6381272a",
    "withdrawal_mode": "FIAT",
    "receiver_bank": "PromptPay",
    "receiver_name": "SOMCHAI JAIDEE",
    "currency": "THB",
    "address": "1234567890123",
    "amount": "1000",
    "chain": "offchain",
    "asset_type": "native",
    "is_settlement": false,
    "withdrawal_status": "PENDING",
    "additional": {
      "description": "test withdrawal",
      "reference_user_id": 123
    },
    "created_at": "2026-05-19T04:00:00.000Z"
  },
  "success": true,
  "code": 0
}

Payment

Create Withdrawal — THB

Authentication Status

Headers

Parameters (Request Body)

PromptPay