Unsign API

HTTP Request

POST /v5/bybitpay/agreement/unsign

Terminate an active agreement. After unsign, no further deductions can be made. Existing successful transactions can still be refunded.

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Request Parameters

Parameter	Type	Required	Description
merchant_id	string	Yes	Merchant ID
user_id	string	Yes	Platform user ID
agreement_type	string	Yes	Sign type: CYCLE / NON_CYCLE / SINGLE
agreement_no	string	Either	Platform agreement number
external_agreement_no	string	Either	Merchant agreement number
unsign_type	string	No	Unsign type: USER / MERCHANT / SYSTEM
unsign_reason	string	No	Unsign reason

info

Either agreement_no or external_agreement_no must be provided.

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Response Parameters

Parameter	Type	Description
retCode	int	Response code
retMsg	string	Response message
result	object	Response data
result.agreement_no	string	Platform agreement number
result.status	string	Status: UNSIGNED
result.unsign_time	string	Unsign time

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Request Example

Unsign by Agreement Number

POST /v5/bybitpay/agreement/unsign HTTP/1.1
Host: api2.bybit.com
Content-Type: application/json
X-BAPI-API-KEY: xxxxxxxxxxxxxxxxxx
X-BAPI-TIMESTAMP: 1736233200000
X-BAPI-SIGN: {signature}
X-BAPI-RECV-WINDOW: 5000

{
  "merchant_id": "M123456789",
  "user_id": "U_123456789",
  "agreement_type": "CYCLE",
  "agreement_no": "AGR202601070001",
  "unsign_type": "USER",
  "unsign_reason": "User cancelled subscription"
}

Unsign by External Agreement Number

POST /v5/bybitpay/agreement/unsign HTTP/1.1
Host: api2.bybit.com
Content-Type: application/json
X-BAPI-API-KEY: xxxxxxxxxxxxxxxxxx
X-BAPI-TIMESTAMP: 1736233200000
X-BAPI-SIGN: {signature}
X-BAPI-RECV-WINDOW: 5000

{
  "merchant_id": "M123456789",
  "user_id": "U_123456789",
  "agreement_type": "CYCLE",
  "external_agreement_no": "MERCHANT_AGR_001",
  "unsign_type": "MERCHANT",
  "unsign_reason": "Service terminated"
}

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Response Examples

Success Response

{
  "retCode": 20000,
  "retMsg": "Success",
  "result": {
    "agreement_no": "AGR202601070001",
    "status": "UNSIGNED",
    "unsign_time": "2026-01-07T15:30:00Z"
  }
}

Agreement Not Exist

{
  "retCode": 40003,
  "retMsg": "Agreement does not exist",
  "result": null
}

Agreement Already Unsigned

{
  "retCode": 40004,
  "retMsg": "Agreement already unsigned, no need to repeat",
  "result": null
}

---

Unsign Types

Type	Description
USER	User initiated unsign
MERCHANT	Merchant initiated unsign
SYSTEM	System unsign (risk, account abnormal)

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Notes

1. Final State: Unsigned is a final state; agreement cannot be reactivated
2. Refund Allowed: Existing successful transactions can still be refunded after unsign
3. Allowed States: Only SIGNED and SUSPENDED agreements can be unsigned
4. Webhook Notification: Platform sends unsign notification to merchant after unsign