API Reference

Create UPI Intent Link

post
https://api-uat.ncome.in/api/v1/qr/intent

This API generates a UPI Intent Link that can be opened in a UPI-compatible mobile application (e.g., Google Pay, PhonePe, Paytm) to initiate a UPI payment with pre-filled amount, and optional note.

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Body Params
double
required

The exact amount (in INR) to be paid. Must be ≥ 0.01, precision up to 2 decimal places.

string
required

Expiry time in Unix epoch milliseconds.

string
required
Defaults to intent

Must be "intent" (case-insensitive). Used to distinguish from dynamic QR creation.

string
required

A brief reference that appears in the UPI payment description. Must be between 4 and 11 characters. Typically used to indicate the purpose of the transaction, such as an order ID or reference code.

Headers
string
required
Defaults to {{X-Client-Key}}

API key generated from Castler dashboard

string
required
Defaults to {{x-api-key}}

X-API key generated from Castler dashboard

Response
200

Updated about 1 year ago

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Response
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Updated about 1 year ago

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