NSS

Get the Social Security Number from IMSS

Query the NSS directly from IMSS. Asynchronous operation with webhook result. Ideal for HR and hiring processes.

Direct IMSS query

We obtain the Social Security Number directly from the Mexican Social Security Institute records. Verified and official result.

How does it work?

One API call. Result via webhook.

Step 1

Send the query

POST with the customer_id. Singula starts the IMSS query.

Step 2

Async processing

The query is processed in the background. No polling needed.

Step 3

Webhook with result

You receive the verified NSS at your endpoint when the result is ready.

nss-lookup.sh
curl -X POST https://api.singula.mx/v1/nss/lookup \
  -H "Authorization: Bearer sk_live_..." \
  -d '{"customer_id": "cus_lzk9m4ab3f"}'

→ { "status": "processing", "webhook": true }

// Webhook:
{ "nss": "1234567890", "customer_id": "cus_lzk9m4ab3f", "source": "IMSS" }

Official IMSS source

Data directly from the Mexican Social Security Institute.

Async webhook

Result delivered automatically to your backend without polling.

Ideal for HR

Perfect for hiring processes and employee verification.

KYC integration

Combine with CURP, RFC, and other modules in a complete flow.

Query the NSS from your product

No contracts. Free sandbox. Production ready.

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