Cancel event registration

POST

/api/events/registration-cancel

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
    Method = HttpMethod.Post,
    RequestUri = new Uri("https://api.eventpoint.io/api/events/registration-cancel"),
    Headers =
    {
        { "x-api-key", "<x-api-key>" },
    },
    Content = new StringContent("{ \"eventId\": \"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0\", \"registrantId\": \"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0\", \"cancelledByPersonId\": \"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0\" }")
    {
        Headers =
        {
            ContentType = new MediaTypeHeaderValue("application/json")
        }
    }
};
using (var response = await client.SendAsync(request))
{
    response.EnsureSuccessStatusCode();
    var body = await response.Content.ReadAsStringAsync();
    Console.WriteLine(body);
}

const url = 'https://api.eventpoint.io/api/events/registration-cancel';
const options = {
  method: 'POST',
  headers: {'x-api-key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: '{"eventId":"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0","registrantId":"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0","cancelledByPersonId":"2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"}'
};

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

curl --request POST \
  --url https://api.eventpoint.io/api/events/registration-cancel \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '{ "eventId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "registrantId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "cancelledByPersonId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0" }'

Authorizations

ApiKeyAuth
BearerAuth

Request Body^required

The request details.

object

eventId

string format: uuid

registrantId

string format: uuid

cancelledByPersonId

null | string format: uuid

Example^generated

{
  "eventId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "registrantId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "cancelledByPersonId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"
}

object

eventId

string format: uuid

registrantId

string format: uuid

cancelledByPersonId

null | string format: uuid

Example^generated

{
  "eventId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "registrantId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "cancelledByPersonId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"
}

object

eventId

string format: uuid

registrantId

string format: uuid

cancelledByPersonId

null | string format: uuid

Example^generated

{
  "eventId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "registrantId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "cancelledByPersonId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"
}

Responses

200

object

requestId

null | string

requestComplete

boolean

requestCompleteDate

null | string format: date-time

errors

Array<string> | null

data

boolean

message

null | string

success

boolean

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

object

requestId

null | string

requestComplete

boolean

requestCompleteDate

null | string format: date-time

errors

Array<string> | null

data

boolean

message

null | string

success

boolean

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

Example^generated

{
  "requestId": "example",
  "requestComplete": true,
  "requestCompleteDate": "2026-04-15T12:00:00Z",
  "errors": [
    "example"
  ],
  "data": true,
  "message": "example",
  "success": true,
  "status": 1
}

object

requestId

null | string

requestComplete

boolean

requestCompleteDate

null | string format: date-time

errors

Array<string> | null

data

boolean

message

null | string

success

boolean

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

Example^generated

{
  "requestId": "example",
  "requestComplete": true,
  "requestCompleteDate": "2026-04-15T12:00:00Z",
  "errors": [
    "example"
  ],
  "data": true,
  "message": "example",
  "success": true,
  "status": 1
}

403

Forbidden

object

type

null | string

title

null | string

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

detail

null | string

instance

null | string

object

type

null | string

title

null | string

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

detail

null | string

instance

null | string

Example^generated

{
  "type": "example",
  "title": "example",
  "status": 1,
  "detail": "example",
  "instance": "example"
}

object

type

null | string

title

null | string

status

null | integer | string format: int32

/^-?(?:0|[1-9]\d*)$/

detail

null | string

instance

null | string

Example^generated

{
  "type": "example",
  "title": "example",
  "status": 1,
  "detail": "example",
  "instance": "example"
}

Cancel event registration

Authorizations

Request Bodyrequired

Examplegenerated

Examplegenerated

Examplegenerated

Responses

200

Examplegenerated

Examplegenerated

403

Examplegenerated

Examplegenerated

Request Body^required

Example^generated

Example^generated

Example^generated

Example^generated

Example^generated

Example^generated

Example^generated