Identity & KYC Verification APIs

Aadhaar OTP Verification API

Consent-based Aadhaar verification with OTP delivered to the registered mobile number.

What it verifies

Verifies an individual's Aadhaar with their consent in two calls. The first call sends an OTP to the mobile number registered against the Aadhaar; the second submits that OTP and returns the verified details with the Aadhaar number masked.

Who uses it

Lenders and NBFCs completing digital KYC before disbursal
Fintech and wallet apps onboarding customers without paperwork
Gig, staffing and marketplace platforms verifying workers and partners
Insurers and brokers confirming a customer's identity at issuance

Send an OTP to the mobile number linked to the Aadhaar.

POSThttps://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/send

Send an OTP to the mobile number linked to the Aadhaar. This call is not billed.

Request body

aadhaarNumberstringrequired

12-digit Aadhaar number, no spaces.

consentstringrequired

Must be "Y". Records that the end customer consented to this check; logged against the transaction.

referenceIdstringoptional

Your own id, echoed back in the response for reconciliation.

Example requests

curl -X POST "https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/send" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "aadhaarNumber": "234567890124",
  "consent": "Y",
  "referenceId": "app_20915"
}'

const res = await fetch("https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/send", {
  method: "POST",
  headers: {
    "x-api-key": "YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "aadhaarNumber": "234567890124",
    "consent": "Y",
    "referenceId": "app_20915"
  }),
});
const result = await res.json();

import requests

res = requests.post(
    "https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/send",
    headers={"x-api-key": "YOUR_API_KEY"},
    json={
        "aadhaarNumber": "234567890124",
        "consent": "Y",
        "referenceId": "app_20915",
    },
    timeout=15,
)
result = res.json()

200 response — status "otpSent"

Response

{
  "status": "otpSent",
  "data": {
    "otpReferenceId": "otp_5c91d2e4"
  },
  "source": "provider",
  "dataAsOf": "2026-11-03T09:30:00.000Z",
  "referenceId": "app_20915",
  "billing": {
    "charged": false,
    "walletBalance": "12450.00"
  },
  "txnId": "txn_8c31ba90",
  "livemode": true
}

Fields returned in data

otpReferenceIdstringoptional

Pass this to the verify call together with the OTP.

Submit the OTP and receive the verified Aadhaar details.

POSThttps://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/verify

Submit the OTP and receive the verified Aadhaar details. This call is billed when it returns a successful result.

Request body

otpReferenceIdstringrequired

The otpReferenceId returned by the send call.

otpstringrequired

6-digit OTP received on the linked mobile number.

consentstringrequired

Must be "Y". Records that the end customer consented to this check; logged against the transaction.

Example requests

curl -X POST "https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/verify" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "otpReferenceId": "otp_5c91d2e4",
  "otp": "123456",
  "consent": "Y"
}'

const res = await fetch("https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/verify", {
  method: "POST",
  headers: {
    "x-api-key": "YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "otpReferenceId": "otp_5c91d2e4",
    "otp": "123456",
    "consent": "Y"
  }),
});
const result = await res.json();

import requests

res = requests.post(
    "https://verification.techinnoverz.com/api/v1/identity-kyc/aadhaar-otp/verify",
    headers={"x-api-key": "YOUR_API_KEY"},
    json={
        "otpReferenceId": "otp_5c91d2e4",
        "otp": "123456",
        "consent": "Y",
    },
    timeout=15,
)
result = res.json()

200 response — status "found"

Response

{
  "status": "found",
  "data": {
    "name": "Asha Sample",
    "maskedAadhaar": "XXXX XXXX 4312",
    "dateOfBirth": "1991-04-17",
    "gender": "F",
    "address": {
      "state": "MH",
      "pincode": "411045"
    }
  },
  "source": "provider",
  "dataAsOf": "2026-11-03T09:30:00.000Z",
  "billing": {
    "charged": true,
    "walletBalance": "12450.00"
  },
  "txnId": "txn_8c31ba90",
  "livemode": true
}

Fields returned in data

namestringoptional

Name as recorded against the Aadhaar.

maskedAadhaarstringoptional

Aadhaar number with the first eight digits masked.

dateOfBirthstringoptional

Date of birth, YYYY-MM-DD.

genderstringoptional

Gender as recorded (M, F or T).

addressobjectoptional

State and pincode of the registered address.

Error codes

Errors return a non-200 HTTP status and the same envelope, so your retry logic and your reconciliation agree.

400 INVALID_INPUT

A field is missing or malformed. The details list each problem. Not charged.

401 INVALID_KEY

The key is missing, revoked, or not a key we issued.

402 WALLET_EMPTY

Your available balance is below the price of this call. Top up and retry. Not charged.

403 PRODUCTION_NOT_ENABLED

A live key was used before live access was enabled for your account. Use a test key, or ask us to enable live access.

403 TEST_NOT_ENABLED

A test key was used before test (UAT) access was enabled for your account. Ask us to enable it.

403 API_NOT_ENABLED

This check is switched off for your account, or is not available for live use yet.

403 IP_NOT_ALLOWED

The key is restricted to certain IP addresses and this call came from another.

403 ACCOUNT_SUSPENDED

The account is suspended. Contact support.

404 NO_DATA

A valid request, but no record was found. Not charged.

404 ROUTE_NOT_FOUND

There is no endpoint at that path.

405 METHOD_NOT_ALLOWED

Use the method shown in the Allow header.

409 IDEMPOTENCY_IN_PROGRESS

A call with the same Idempotency-Key is still being processed. Retry after the delay in Retry-After.

413 PAYLOAD_TOO_LARGE

The request body is too large. Not charged.

415 UNSUPPORTED_MEDIA_TYPE

Send the request with Content-Type: application/json.

422 IDEMPOTENCY_KEY_REUSED

This Idempotency-Key was already used with a different request body. Use a new key for a new request.

429 RATE_LIMITED

Too many requests or too many at once. Wait for the Retry-After delay.

500 INTERNAL_ERROR

Something went wrong on our side. Not charged. Quote the txnId if you contact support.

502 SOURCE_ERROR

The data source returned an error. Not charged.

503 SOURCE_DOWN

The data source is unavailable right now. Not charged. Retry after the delay in Retry-After.

504 SOURCE_TIMEOUT

The data source did not answer in time. Not charged.

400 INVALID_OTP

The OTP is incorrect or has expired. Not charged.

Error response

{
  "status": "error",
  "error": {
    "code": "NO_DATA",
    "message": "No record found for the given input. Not charged."
  },
  "billing": {
    "charged": false
  },
  "txnId": "txn_8c31ba91",
  "livemode": true
}

Billing

You are charged only on successful hits. Failed, no-data and error calls are free.

Every response carries billing.charged and your remaining billing.walletBalance. Per-hit pricing is set on your rate card; book a demo to get yours.

Related checks

PAN Verification API — Verify PAN card details and status against Income Tax Department records.
PAN Advanced Verification API — Verify a PAN and also get its holder type and whether it is linked to Aadhaar.
Voter ID Verification API — Verify EPIC (Voter ID) details against Election Commission of India records.
Driving Licence Verification API — Verify driving licence number, validity and vehicle class against Parivahan records.
Face Match API — Compare two photos and get a match score, for example a selfie against an ID photo.
Face Match with Liveness API — Check that a selfie is of a live person and matches the photo on their ID, in one call.
DigiLocker Verification API — Consent-based fetch of a person's verified documents from DigiLocker.

All API documentation · OpenAPI specification · Docs as plain text