POSTSend Transaction OTP

Request an OTP to the sender's mobile to authorise a PPI Levin transfer.

POST/customer/payment/ppi-levin/otp

Dispatches an OTP to the sender for an upcoming transfer to a given recipient and amount. Returns an otp_ref_id to pass, with the OTP, into Initiate Transaction.

Body parameters

Field	Type	Required	Description
`initiator_id`	string	required	Registered mobile number of the API user (see Platform Credentials).e.g. 9962981729
`user_code`	string	required	User code of the retailer/agent the service is run for.e.g. 20810200
`client_ref_id`	string	optional	Unique reference id per API call, generated by your system.e.g. REQ-20260101-001
`recipient_id`	integer	required	Unique ID generated while adding the recipient.e.g. 10017740
`amount`	integer	required	Amount to be transferred (INR).e.g. 110
`customer_id`	string	required	Sender's 10-digit mobile number.e.g. 9444444444
`service_code`	integer	optional	Fixed service code. Send 80.e.g. 80
`beneficiary_id`	string	optional	Beneficiary ID generated when adding the recipient's bank.e.g. 40367

initiator_idstringRequired

Registered mobile number of the API user (see Platform Credentials).

example: 9962981729

user_codestringRequired

User code of the retailer/agent the service is run for.

example: 20810200

client_ref_idstringoptional

Unique reference id per API call, generated by your system.

example: REQ-20260101-001

recipient_idintegerRequired

Unique ID generated while adding the recipient.

example: 10017740

amountintegerRequired

Amount to be transferred (INR).

example: 110

customer_idstringRequired

Sender's 10-digit mobile number.

example: 9444444444

service_codeintegeroptional

Fixed service code. Send 80.

example: 80

beneficiary_idstringoptional

Beneficiary ID generated when adding the recipient's bank.

example: 40367

Headers

Field	Type	Required	Description
`developer_key`	string	required	Static API key issued to your account after KYC.
`secret-key`	string	required	Dynamic per-request signature: base64(HMAC-SHA256(timestamp, base64(access_key))).
`secret-key-timestamp`	string	required	Current time in milliseconds since UNIX epoch, used to compute secret-key. Must match server time.
`content-type`	string	required	application/jsone.g. application/json

developer_keystringRequired

Static API key issued to your account after KYC.

secret-keystringRequired

Dynamic per-request signature: base64(HMAC-SHA256(timestamp, base64(access_key))).

secret-key-timestampstringRequired

Current time in milliseconds since UNIX epoch, used to compute secret-key. Must match server time.

content-typestringRequired

application/json

example: application/json

Responses

statusnumber
Primary success indicator (0 = success).
messagestring
Human-readable response / error message.
response_status_idnumber
Granular status id; see the shared error-codes table.
response_type_idnumber
A unique id for every possible response shape (success or error) — useful for client logic branching and analytics.
dataobject
API-specific response payload.
- otp_ref_idstring
  OTP session reference — pass to Initiate Transaction.