> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.whizcozy.com/api-reference/whiz-board-api/reminders/create-reminder-api-v-1-firms-firm-slug-clients-membership-id-reminders-post/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.whizcozy.com/_mcp/server.

# Create Reminder

POST https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/{firm_slug}/clients/{membership_id}/reminders
Content-Type: application/json

Reference: https://docs.whizcozy.com/api-reference/whiz-board-api/reminders/create-reminder-api-v-1-firms-firm-slug-clients-membership-id-reminders-post

## Authentication

- `Authorization` header (required) — API Key authentication via header

## Request

### Path parameters

- `membership_id` (integer, required)
- `firm_slug` (string, required)

### Body (application/json)

This endpoint expects a ReminderCreateRequest.

- `title` (string, required)
- `due_at` (datetime, required)
- `recipients` (list of ReminderRecipientRequest, required)
- `description_html` (string, optional, nullable)
- `recurrence_type` (enum, optional) — Supported reminder recurrence rules.
  - Allowed values: `NONE`, `DAILY`, `WEEKLY`, `MONTHLY`, `QUARTERLY`, `YEARLY`, `CUSTOM_DAYS`, `MONTHLY_ON_DAY`
- `custom_interval_days` (integer, optional, nullable)
- `monthly_day` (integer, optional, nullable)

## Response

### 200

Successful Response

- `data` (ReminderResponse, required)
- `status` (string, optional, default: success)

## Errors

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

## Types

### ReminderRecipientRequest

- `user_id` (integer, required)
- `delivery_role` (string, optional, default: recipient)

### ReminderResponse

- `id` (integer, required)
- `firm_id` (integer, required)
- `client_membership_id` (integer, required)
- `title` (string, required)
- `description_html` (string, required, nullable)
- `due_at` (datetime, required)
- `recurrence_type` (enum, required) — Supported reminder recurrence rules.
  - Allowed values: `NONE`, `DAILY`, `WEEKLY`, `MONTHLY`, `QUARTERLY`, `YEARLY`, `CUSTOM_DAYS`, `MONTHLY_ON_DAY`
- `custom_interval_days` (integer, required, nullable)
- `monthly_day` (integer, required, nullable)
- `status` (enum, required) — Lifecycle status for client reminder metadata.
  - Allowed values: `ACTIVE`, `PAUSED`, `COMPLETED`, `ARCHIVED`
- `created_by_user_id` (integer, required, nullable)
- `created_at` (datetime, required, nullable)
- `updated_at` (datetime, required, nullable)
- `recipients` (list of ReminderRecipientResponse, optional)

### ValidationError

- `loc` (list of ValidationErrorLocItems, required)
- `msg` (string, required)
- `type` (string, required)
- `input` (any, optional)
- `ctx` (ValidationErrorCtx, optional)

### ReminderRecipientResponse

- `user_id` (integer, required)
- `user_email` (string, required)
- `user_name` (string, required, nullable)
- `delivery_role` (string, required)

### ValidationErrorLocItems

### ValidationErrorCtx

## Examples

**Request**

```json
{
  "title": "string",
  "due_at": "2024-01-15T09:30:00Z",
  "recipients": [
    {
      "user_id": 1
    }
  ]
}
```

**Response**

```json
{
  "data": {
    "id": 1,
    "firm_id": 1,
    "client_membership_id": 1,
    "title": "string",
    "description_html": "string",
    "due_at": "2024-01-15T09:30:00Z",
    "recurrence_type": "NONE",
    "custom_interval_days": 1,
    "monthly_day": 1,
    "status": "ACTIVE",
    "created_by_user_id": 1,
    "created_at": "2024-01-15T09:30:00Z",
    "updated_at": "2024-01-15T09:30:00Z",
    "recipients": [
      {
        "user_id": 1,
        "user_email": "string",
        "user_name": "string",
        "delivery_role": "string"
      }
    ]
  },
  "status": "success"
}
```

**SDK Code**

```python
import requests

url = "https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders"

payload = {
    "title": "string",
    "due_at": "2024-01-15T09:30:00Z",
    "recipients": [{ "user_id": 1 }]
}
headers = {
    "Authorization": "<apiKey>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders';
const options = {
  method: 'POST',
  headers: {Authorization: '<apiKey>', 'Content-Type': 'application/json'},
  body: '{"title":"string","due_at":"2024-01-15T09:30:00Z","recipients":[{"user_id":1}]}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders"

	payload := strings.NewReader("{\n  \"title\": \"string\",\n  \"due_at\": \"2024-01-15T09:30:00Z\",\n  \"recipients\": [\n    {\n      \"user_id\": 1\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<apiKey>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<apiKey>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"string\",\n  \"due_at\": \"2024-01-15T09:30:00Z\",\n  \"recipients\": [\n    {\n      \"user_id\": 1\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders")
  .header("Authorization", "<apiKey>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"string\",\n  \"due_at\": \"2024-01-15T09:30:00Z\",\n  \"recipients\": [\n    {\n      \"user_id\": 1\n    }\n  ]\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders', [
  'body' => '{
  "title": "string",
  "due_at": "2024-01-15T09:30:00Z",
  "recipients": [
    {
      "user_id": 1
    }
  ]
}',
  'headers' => [
    'Authorization' => '<apiKey>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "<apiKey>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"title\": \"string\",\n  \"due_at\": \"2024-01-15T09:30:00Z\",\n  \"recipients\": [\n    {\n      \"user_id\": 1\n    }\n  ]\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "<apiKey>",
  "Content-Type": "application/json"
]
let parameters = [
  "title": "string",
  "due_at": "2024-01-15T09:30:00Z",
  "recipients": [["user_id": 1]]
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://prod-whizboard-be-680473615767.asia-southeast1.run.app/api/v1/firms/firm_slug/clients/1/reminders")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```