Introducing Starknet Network:   OffRamp and OnRamp USDC are now supported for Starknet network.  View changelog for details →.
Sphere Paysphere

Changelog

This page details the changes to the Sphere Pay API.

2025-06-18

Summary

Introducing Starknet Network Support

We are excited to announce that we have added support for Starknet network for USDC onRamp and offRamp. This means that you can now accept and send transfers using Starknet network.

How to use it?

You can use the network parameter to specify the network you want to use for the onRamp and offRamp.

offRamp Request
{
    "customer": "customer_098xxxxxxxxxxxxxxxxxxxxxxxxxxxfbb",
    "amount": "1.12",
    "source": {
        "id": "wallet_81bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx9f3",
        "network": "starknet",
        "currency": "usdc"
    },
    "destination": {
        "id": "bankAccount_cabxxxxxxxxxxxxxxxxxxxxcxxxxx42c",
        "network": "achSameDay",
        "currency": "usd"
    }
}
onRamp Request
{
    "customer": "customer_098xxxxxxxxxxxxxxxxxxxxxxxxxxxfbb",
    "amount": "2",
    "source": {
        "id": "bankAccount_cabxxxxxxxxxxxxxxxxxxxxcxxxxx42c",
        "network": "wire",
        "currency": "usd"
    },
    "destination": {
        "id": "wallet_81bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx9f3",
        "network": "starknet",
        "currency": "usdc"
    }
}

2025-06-03

Summary

  1. API Endpoint Deprecation: The /v1/customer endpoint will be deprecated on June 6, 2025.

    Action Required: Migrate to /v2/customer before the deprecation date.

    Benefits: /v2/customer is the new standard for creating and managing customers and will receive additional features for easier onboarding.

    Migration Guide: See our Customer API documentation for the full details.

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