M2P Fintech API documentation

Mobile	PAN	Meaning
`null`	`null`	✅ No duplicate — safe to proceed
Masked mobile	`null`	⚠️ Mobile match found, no PAN match
`null`	Masked PAN	⚠️ PAN match found, no mobile match
Masked mobile	Masked PAN	⚠️ Both match — same customer exists

Authorization

bearerAuth tenantId

AuthorizationBearer <token>

JWT Bearer token from the Authentication API

In: header

X-TENANT-ID<token>

Your unique tenant identifier assigned during onboarding

In: header

Header Parameters

X-TENANT-ID*string

Your unique tenant identifier

Request Body

application/json

mobile?

pan*string

Required. PAN number (format: ABCDE1234F)

Length1 <= length

dob?string

Date of birth

Response Body

`application/json`

curl -X POST "https://sandbox-api.m2pprepaid.com/prepaid/customer/v1/customers/de-dupe/mobile-pan-details" \  -H "X-TENANT-ID: ACME_CORP" \  -H "Content-Type: application/json" \  -d '{    "mobile": {      "value": "7099101999",      "countryCode": 91    },    "pan": "ARXPB1111Q"  }'

{
  "result": {
    "mobile": null,
    "pan": null,
    "dob": null
  },
  "pagination": null
}

{
  "type": "https://www.m2pfintech.com/problem/constraint-violation",
  "title": "Method argument not valid",
  "status": 400,
  "message": "error.validation",
  "fieldErrors": [
    {
      "field": "pan",
      "message": "PAN is not valid"
    }
  ]
}

De-Duplicate Check (PAN & Mobile)

Response Interpretation

Masked Values

Authorization

Header Parameters

Request Body

Response Body

`application/json`

`application/json`

De-Duplicate Check (PAN & Mobile)

Response Interpretation

Masked Values

Authorization

Header Parameters

Request Body

Response Body

200application/json

400application/json

No duplicate found

Same customer — PAN and mobile match

PAN match only

Mobile match only

`application/json`

`application/json`