---
title: "Read an invitation — Anis Developers"
description: "The invitation’s state and when it expires. Authorised with the enrolment token, not a signature."
url: https://developers.anis.ly/reference/read-invitation/
language: en
---

> Every page of this documentation: https://developers.anis.ly/llms.txt

[API reference](https://developers.anis.ly/reference.md) · Enrolment

# Read an invitation

`GET /v1/enrollments/{invitationId}`

The invitation’s state and when it expires. Authorised with the enrolment token, not a signature.

- **Permission:** None
- **Authentication:** Enrolment token
- **Staff-set limits it counts toward:** None
- **.NET SDK:** `enrollment.GetAsync()`

## Parameters

| Name | In | Type | Notes |
| --- | --- | --- | --- |
| `invitationId` (required) | `path` | UUID | A UUID, lower-case with hyphens. |

## Request

Authorised with `Authorization: Enrollment <token>`; not signed.

Headers: `Accept-Language` (optional). The SDKs set all of them for you.

**Body:** none.

## Responses

| Status | Meaning | Body |
| --- | --- | --- |
| 200 | Success. | [EnrollmentState](#type-enrollmentstate) |
| 401 | Refused: not authenticated. | [Problem](#refusals) |
| 404 | Refused: not found, or not yours. | [Problem](#refusals) |
| 429 | Refused: a limit was reached. | [Problem](#refusals) |
| 503 | No decision: a dependency was unavailable. | [Problem](#refusals) |

Every answer is signed by Anis; the SDKs check it before you see it.

## Refusals

Every refusal is a signed problem. Branch on its `code`; each links to what it means and what to do.

| Error | Code | Status |
| --- | --- | --- |
| [Invitation invalid](https://developers.anis.ly/errors/invitation-invalid.md) | `invitation_invalid` | 401 |
| [Not found](https://developers.anis.ly/errors/resource-not-found.md) | `resource_not_found` | 404 |
| [Rate limited](https://developers.anis.ly/errors/rate-limited.md) | `rate_limited` | 429 |
| [Service unavailable](https://developers.anis.ly/errors/dependency-unavailable.md) | `dependency_unavailable` | 503 |
| [Request timeout](https://developers.anis.ly/errors/request-timeout.md) | `request_timeout` | 504 |
| [Internal error](https://developers.anis.ly/errors/internal-error.md) | `internal_error` | 500 |

## Types

### EnrollmentState

| Field | Type | Notes |
| --- | --- | --- |
| `invitationId` | UUID | The invitation. |
| `applicationId` | UUID | The application being enrolled. |
| `state` | string | `pendingInvitation`, `pendingPublicKey`, `pendingProof`, `pendingApproval`, `active` or `unavailable`. |
| `expiresAt` | string (date-time) | When the invitation expires — about a day after it is issued, by default. |