Mobile Related API

Common Account Detection by Email API

Detect multiple customer accounts sharing the same email address.

Get API key Talk to sales

REST + JSONOne API keyPay per callHTTPS secured

POST/v1/common-account-detection-by-emailready

Request

Response{  "error": false,  "status": "SUCCESS",  "data": {    "registered_name_and_identity_signals": "…",    "linked_upi": "…",    "risk_flags": "…"  }}

Illustrative example. Exact parameters are listed in your dashboard docs.

How it works

What you send and what you get back

Turn a mobile number into verified identity signals. Find the name, UPI handles, bank accounts and prefill data linked to a number, check WhatsApp presence and detect accounts shared across customers.

You send

Mobile number
Name or email for matching (optional)

You get back

Registered name and identity signals
Linked UPI, bank and address data
Risk flags

Why Shadoweye

Built for production from day one

Real-time results

Responses come back in milliseconds, so the check fits inline in your signup or approval flow.

Clean, consistent JSON

Every Shadoweye API returns the same response envelope. Parse it once and reuse it everywhere.

One key for every API

Use the same API key for the Common Account Detection by Email API and every other API in the catalogue. No extra contracts.

Pay per call

Calls are charged from your prepaid wallet. No monthly fee and no minimum commitment.

Secure by default

All traffic runs over HTTPS and every request is authenticated with your secret key.

Full audit trail

Every call and deduction is recorded in your dashboard ledger for reconciliation and audits.

Use cases

Where teams use the Common Account Detection by Email API

One-tap onboarding

Prefill forms from just a mobile number.

Fraud detection

Spot shared or mismatched accounts.

Payout routing

Find verified UPI or bank details to pay.

Contactability

Check WhatsApp reachability before messaging.

Get started

Go live in four steps

Create your account

Add funds

Top up your prepaid wallet securely with UPI, card or net banking.

Test it live

Try the Common Account Detection by Email API with real data in the Live Tester before you write code.

Call the API

Send a POST request with your key in the X-Shadoweye-Api-Key header and use the JSON response.

FAQ

Frequently asked questions

What is the Common Account Detection by Email API?

Detect multiple customer accounts sharing the same email address. It is part of the Shadoweye Mobile Related API family and is available through a single REST API key.

What do I need to send to the Common Account Detection by Email API?

Typical inputs are: Mobile number; Name or email for matching (optional). The exact parameters for this API are listed in your dashboard documentation.

What does the Common Account Detection by Email API return?

You receive a JSON response that typically includes: Registered name and identity signals; Linked UPI, bank and address data; Risk flags.

How much does the Common Account Detection by Email API cost?

Calls are charged per request from your prepaid Shadoweye wallet at the rate shown in your dashboard. There are no monthly fees or minimum commitments.

How do I get started?

Create a free account, add funds to your wallet, copy your API key and test the API in the Live Tester. Most teams go live the same day.

Is my data secure?

All requests use HTTPS, are authenticated with your secret API key and are recorded in your audit ledger. Only send personal data you are permitted to process, with the customer's consent where required.

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