# Encoder Simulations

## Endpoints

[**`/acs/encoders/simulate/next_credential_encode_will_fail`**](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/acs/encoders/simulate/next_credential_encode_will_fail)

Simulates that the next attempt to encode a [credential](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/managing-credentials) using the specified [encoder](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/working-with-card-encoders-and-scanners) will fail. You can only perform this action within a [sandbox workspace](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/core-concepts/workspaces#sandbox-workspaces).

[**`/acs/encoders/simulate/next_credential_encode_will_succeed`**](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/acs/encoders/simulate/next_credential_encode_will_succeed)

Simulates that the next attempt to encode a [credential](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/managing-credentials) using the specified [encoder](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/working-with-card-encoders-and-scanners) will succeed. You can only perform this action within a [sandbox workspace](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/core-concepts/workspaces#sandbox-workspaces).

[**`/acs/encoders/simulate/next_credential_scan_will_fail`**](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/acs/encoders/simulate/next_credential_scan_will_fail)

Simulates that the next attempt to scan a [credential](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/managing-credentials) using the specified [encoder](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/working-with-card-encoders-and-scanners) will fail. You can only perform this action within a [sandbox workspace](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/core-concepts/workspaces#sandbox-workspaces).

[**`/acs/encoders/simulate/next_credential_scan_will_succeed`**](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/acs/encoders/simulate/next_credential_scan_will_succeed)

Simulates that the next attempt to scan a [credential](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/managing-credentials) using the specified [encoder](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/capability-guides/access-systems/working-with-card-encoders-and-scanners) will succeed. You can only perform this action within a [sandbox workspace](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/core-concepts/workspaces#sandbox-workspaces).