# Modulr Card Simulator API

**Canonical:** https://apis.io/apis/modulr/modulr-card-simulator-api/  
**Provider:** Modulr — https://apis.io/providers/modulr/  
**Base URL:** https://api.modulrfinance.com  
**Documentation:** https://modulr.readme.io/docs/account

Modulr Card Simulator API is one of 26 APIs that [Modulr](https://apis.io/providers/modulr/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Card Simulator. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Cards Simulator API

## Operations (17)

| Method | Path | Summary |
|---|---|---|
| POST | `/credit-authorisations/{creditAuthId}/reverse` | Reverse a credit authorisation |
| POST | `/cards/{cardId}/settlements` | Create a settlement without prior authorisation |
| POST | `/cards/{cardId}/refunds` | Create a card refund |
| POST | `/cards/{cardId}/original-credits` | Simulate an original credit |
| POST | `/cards/{cardId}/original-credits/{originalCreditActivityId}/reverse` | Reverse an original credit |
| POST | `/cards/{cardId}/offline-transactions` | Create an offline transaction |
| POST | `/cards/{cardId}/expire` | Simulate a card expiry |
| POST | `/cards/{cardId}/credit-authorisations` | Simulate a credit authorisation |
| POST | `/cards/{cardId}/chargebacks` | Create a standalone chargeback |
| POST | `/cards/{cardId}/authorisations` | Create a card authorisation |
| POST | `/cards/{cardId}/activities/{settlementActivityId}/chargebacks` | Chargeback an existing settlement |
| POST | `/cards/{cardId}/account-status-inquiry` | Perform an account status inquiry |
| POST | `/card-tokens/{tokenId}/devices/{deviceId}/unbind` | Unbind a device from a card token |
| POST | `/authorisations/{authId}/settle` | Settle the full or partial card authorisation |
| POST | `/authorisations/{authId}/reverse` | Reverse the card authorisation |
| POST | `/activities/{chargebackActivityId}/resettlement` | Resettlement of a chargeback |
| POST | `/activities/{chargebackActivityId}/chargeback-reversal` | Reverse a chargeback |

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/modulr/refs/heads/main/openapi/modulr-card-simulator-api-openapi.yml
- **Documentation** — https://modulr.readme.io/docs/account
- **APIReference** — https://modulr.readme.io/reference
- **Documentation** — https://modulr.readme.io/docs/payments-2
- **Documentation** — https://modulr.readme.io/docs/customer
- **Documentation** — https://modulr.readme.io/docs/notifications-1

## Other Modulr APIs (12)

- [Modulr Access Group API](https://apis.io/apis/modulr/modulr-access-group-api/)
- [Modulr Accounts API](https://apis.io/apis/modulr/modulr-accounts-api/)
- [Modulr Async API](https://apis.io/apis/modulr/modulr-async-api/)
- [Modulr Beneficiaries API](https://apis.io/apis/modulr/modulr-beneficiaries-api/)
- [Modulr Cards API](https://apis.io/apis/modulr/modulr-cards-api/)
- [Modulr Cards Bulk Operations API](https://apis.io/apis/modulr/modulr-cards-bulk-operations-api/)
- [Modulr Channel Manager Card API](https://apis.io/apis/modulr/modulr-channel-manager-card-api/)
- [Modulr Channel Manager Webhook Notifications API](https://apis.io/apis/modulr/modulr-channel-manager-webhook-notifications-api/)
- [Modulr Confirmation of Payee API](https://apis.io/apis/modulr/modulr-confirmation-of-payee-api/)
- [Modulr Customers API](https://apis.io/apis/modulr/modulr-customers-api/)
- [Modulr Direct Debit Outbound Mandate Operations API](https://apis.io/apis/modulr/modulr-direct-debit-outbound-mandate-operations-api/)
- [Modulr Direct Debits API](https://apis.io/apis/modulr/modulr-direct-debits-api/)

## Tags

Card Simulator

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/modulr/modulr-card-simulator-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/modulr/.