# IRPCLogin.VerifyLicenseSubscriptionTime

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Vault API](https://developer.m-files.com/APIs/gRPC-API/vault/index.md) > [Login and sessions](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLogin/index.md)

HTML version: https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLogin/VerifyLicenseSubscriptionTime/

Badges: `Vault API / core` `session` `no session`

Fails if the server's license subscription has expired; succeeds otherwise.

- **Service:** [Login and sessions](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLogin/index.md) `MFiles.IRPCLogin`
- **gRPC method:** `/MFiles.IRPCLogin/VerifyLicenseSubscriptionTime`
- **HTTP (mf-http-grpc):** `POST /grpc/v1/verify-license-subscription-time`
- **Request:** [`VerifyLicenseSubscriptionTimeRequest`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLogin/VerifyLicenseSubscriptionTime/index.md#request)
- **Response:** [`VerifyLicenseSubscriptionTimeResponse`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLogin/VerifyLicenseSubscriptionTime/index.md#response)
- **Book and level:** Vault API, core
- **Kind:** session
- **Session:** Not needed: the call can be made before logging in.
- **Idempotent:** no
- **Returns metadata structure version:** no
- **Streaming:** none (unary)

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## Remarks

Needs no session. Used by M-Files clients; applications rarely need it.

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## Request: VerifyLicenseSubscriptionTimeRequest

No fields.

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## Response: VerifyLicenseSubscriptionTimeResponse

No fields.