---
title: adds-a-new-member-to-a-project
product: vercel
url: /docs/rest-api/projectmembers/adds-a-new-member-to-a-project
canonical_url: "https://vercel.com/docs/rest-api/projectmembers/adds-a-new-member-to-a-project"
last_updated: 2026-09-16
type: reference
prerequisites:
  []
related:
  - /docs/rest-api
summary: Learn about adds-a-new-member-to-a-project on Vercel.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# Adds a new member to a project.

```http
POST /v1/projects/{idOrName}/members
```

Adds a new member to the project.

## Authentication

**bearerToken**: HTTP bearer

## Path parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `idOrName` | string | Yes | The ID or name of the Project. |


## Query parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `teamId` | string | No | The Team identifier to perform the request on behalf of. |
| `slug` | string | No | The Team slug to perform the request on behalf of. |


## Request body

Required: Yes

Content-Type: `application/json`

```json
{
  "type": "object",
  "required": [
    "role"
  ],
  "properties": {
    "uid": {
      "type": "string",
      "description": "The ID of the team member that should be added to this project.",
      "maxLength": 256
    },
    "username": {
      "type": "string",
      "description": "The username of the team member that should be added to this project.",
      "maxLength": 256
    },
    "email": {
      "type": "string",
      "description": "The email of the team member that should be added to this project.",
      "format": "email"
    },
    "role": {
      "type": "string",
      "description": "The project role of the member that will be added.",
      "enum": [
        "ADMIN",
        "PROJECT_VIEWER",
        "PROJECT_DEVELOPER"
      ]
    }
  },
  "oneOf": [
    {
      "required": [
        "uid"
      ]
    },
    {
      "required": [
        "username"
      ]
    },
    {
      "required": [
        "email"
      ]
    }
  ]
}
```

## Example request

### TypeScript

```typescript
const response = await fetch('https://api.vercel.com/v1/projects/idOrName/members?teamId=string&slug=string', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "uid": "ndlgr43fadlPyCtREAqxxdyFK",
    "username": "example",
    "email": "entity@example.com",
    "role": "ADMIN"
  }),
});

const data = await response.json();
console.log(data);
```

### Next.js

```typescript
'use server';

export async function callEndpoint() {
  const response = await fetch('https://api.vercel.com/v1/projects/idOrName/members?teamId=string&slug=string', {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.VERCEL_ACCESS_TOKEN}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      "uid": "ndlgr43fadlPyCtREAqxxdyFK",
      "username": "example",
      "email": "entity@example.com",
      "role": "ADMIN"
    }),
    next: { revalidate: 3600 }
  });

  if (!response.ok) {
    throw new Error('Request failed');
  }

  return response.json();
}
```

### cURL

```bash
curl -X POST 'https://api.vercel.com/v1/projects/idOrName/members?teamId=string&slug=string' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d "{
    \"uid\": \"ndlgr43fadlPyCtREAqxxdyFK\",
    \"username\": \"example\",
    \"email\": \"entity@example.com\",
    \"role\": \"ADMIN\"
  }"
```

## Example response

```json
{
  "id": "icfg_1234567890"
}
```

## Responses

### 200: Responds with the project ID on success.

Content-Type: `application/json`

```json
{
  "type": "object",
  "description": "Responds with the project ID on success.",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string"
    }
  }
}
```

### 400: One of the provided values in the request body is invalid.
One of the provided values in the request query is invalid.

### 401: The request is not authorized.

### 403: You do not have permission to access this resource.

### 410: No description

### 500: No description

---

## Related

- [projectMembers endpoints](/docs/rest-api#projectmembers)

- [REST API overview](/docs/rest-api)

- [OpenAPI spec](https://openapi.vercel.sh/) (machine-readable, all endpoints)

---

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