POSTValidate Aadhaar

Submit sender's Aadhaar number for OTP-based validation in the PPI Levin wallet onboarding flow.

POST/customer/payment/ppi-levin/sender/{customer_id}/aadhaar/otp

Triggers Aadhaar OTP dispatch for a PPI Levin wallet sender. Requires a wallet_token and wallet_id from the preceding Verify Sender OTP step. Returns an otp_ref_id to be used in the PPI Levin Validate OTP call.

Path parameters

Field	Type	Required	Description
`customer_id`	string	required	Sender's mobile number.e.g. 9876543210

customer_idstringRequired

Sender's mobile number.

example: 9876543210

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
`aadhar`	string	required	12-digit Aadhaar number of the sender.e.g. 123456789012
`wallet_token`	string	required	Wallet authentication token returned from the Verify Sender OTP response.e.g. wtkn_abc123xyz
`wallet_id`	string	required	Wallet identifier returned from the Verify Sender OTP response.e.g. wlt_0091234

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

aadharstringRequired

12-digit Aadhaar number of the sender.

example: 123456789012

wallet_tokenstringRequired

Wallet authentication token returned from the Verify Sender OTP response.

example: wtkn_abc123xyz

wallet_idstringRequired

Wallet identifier returned from the Verify Sender OTP response.

example: wlt_0091234

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
  Reference ID for the Aadhaar OTP session — pass to the PPI Levin Validate OTP call.
- mobile_hintstring
  Masked mobile number to which the Aadhaar OTP was dispatched.