GETValidate OTP-Verification-Token

Validate an otp_verification_token as proof that OTP verification happened within the 5-minute time limit.

GET/tools/kyc/mobile/otp/validate-token

Validates the authenticity of an otp_verification_token issued by the Verify OTP API, proving the OTP verification was actually performed within its 5-minute validity window. Returns status = 0 when the token is valid; a timed-out or tampered/invalid token returns status = 1 with a descriptive message.

Request

Query parameters

Field	Type	Required	Description
`initiator_id`	string	required	Registered mobile number of the API user (see Platform Credentials).e.g. 9962981729
`client_ref_id`	string	optional	Unique reference ID per API call, generated by your system (max 20 characters).e.g. 2026010100123456789
`otp_verification_token`OTP Verification Token	string	required	The signed JWT received from the Verify OTP API.e.g. eyJ0eXAiOiJKV1QiLCJ...5aXdrqrNcEbhfYfDsI

initiator_idstringRequired

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

example: 9962981729

client_ref_idstringoptional

Unique reference ID per API call, generated by your system (max 20 characters).

example: 2026010100123456789

otp_verification_tokenstringRequired· OTP Verification Token

The signed JWT received from the Verify OTP API.

example: eyJ0eXAiOiJKV1QiLCJ...5aXdrqrNcEbhfYfDsI

These headers authenticate and sign every request. See How Auth Works for details.

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.
- client_ref_idstring
  Unique reference id for the original OTP flow, echoed back.
- otp_verification_tokenstring
  The token that was validated, echoed back.
- initiator_idstring
  Registered mobile number of the API user that initiated the call.
- mobilestring
  The mobile number the token certifies as verified.
- tidstring
  Unique transaction id for this validation.

Next steps

import { EpsClient } from "@ekoindia/eps-sdk";

const client = new EpsClient({

developerKey: process.env.EPS_DEVELOPER_KEY,

accessKey: process.env.EPS_ACCESS_KEY,

initiatorId: "9962981729",

environment: "sandbox",

});

const result = await client.call("mobile-otp-validate-token", {

"otp_verification_token": "eyJ0eXAiOiJKV1QiLCJ...5aXdrqrNcEbhfYfDsI"

});

console.log(result);

{

"status": 0,

"response_status_id": 0,

"response_type_id": 1633,

"message": "OTP verification token is valid.",

"data": {

"client_ref_id": "211101129871",

"otp_verification_token": "eyJ0eXAiOiJKV1QiLCJ...5aXdrqrNcEbhfYfDsI",

"initiator_id": "1234567891",

"mobile": "9002336768",

"tid": "2886978475"

}

Request

Query parameters

Responses

Next steps

Related