Base URL: https://api.cornerspot.net
Authentication: requests use a bearer token, for example Authorization: Bearer YOUR_API_KEY.
List activities
GET /c/api/v1/activities
Returns a paginated, filterable page of the team's activities. Supports full-text search and a rich set of filters. Requires the activities_read scope and the CRM module.
Query parameters
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
query | string | Full-text search over subject and body. |
filter[activity_type] | string | Comma-separated activity types (note, call, email, meeting, task). |
filter[user_id] | string | Comma-separated user ids. |
filter[contact_id] | string | Comma-separated contact ids. |
filter[opportunity_id] | string | Comma-separated opportunity ids. |
filter[account_id] | string | Comma-separated account ids. |
filter[activity_status_id] | string | Comma-separated activity-status ids. |
filter[incomplete] | string | Set to true to return only activities with no completed_at. |
filter[completed] | string | Set to true to return only completed activities. |
filter[due_from] | string | Only activities with due_at on or after this date. |
filter[due_to] | string | Only activities with due_at on or before this date. |
sort | string | Sort column, - prefix for descending. One of activity_type, occurred_at, due_at, completed_at, created_at, updated_at. Default -updated_at. |
page | integer | 1-based page number. |
per_page | integer | Page size (1–100, default 25). |
Code samples
curl --request GET \
--url 'https://api.cornerspot.net/c/api/v1/activities' \
--header 'Authorization: Bearer YOUR_API_KEY'
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities', {
method: 'GET',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
const data = await response.json();
console.log(data);
// Node.js 18+ (native fetch)
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities', {
method: 'GET',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
if (!response.ok) {
throw new Error(`Request failed: ${response.status}`);
}
const data = await response.json();
console.log(data);
import json
import urllib.request
url = "https://api.cornerspot.net/c/api/v1/activities"
headers = {
"Authorization": "Bearer YOUR_API_KEY",
}
request = urllib.request.Request(url, headers=headers, method="GET")
with urllib.request.urlopen(request) as response:
data = json.loads(response.read().decode("utf-8"))
print(data)
require "json"
require "net/http"
uri = URI("https://api.cornerspot.net/c/api/v1/activities")
request = Net::HTTP::Get.new(uri)
request["Authorization"] = "Bearer YOUR_API_KEY"
response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
http.request(request)
end
puts JSON.parse(response.body)
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => 'https://api.cornerspot.net/c/api/v1/activities',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'GET',
CURLOPT_HTTPHEADER => [
'Authorization: Bearer YOUR_API_KEY',
],
]);
$response = curl_exec($curl);
curl_close($curl);
$data = json_decode($response, true);
print_r($data);
Responses
| STATUS | DESCRIPTION |
|---|---|
200 OK | a page of activities |
401 Unauthorized | missing or invalid API key |
402 Payment Required | the team's plan doesn't include the CRM module |
403 Forbidden | the key lacks the activities_read scope |
Create an activity
POST /c/api/v1/activities
Creates an activity. activity_type and occurred_at are required. The activity must be associated with at least one of contact_id, account_id, or opportunity_id. Requires activities_write.
Request body
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
activity | object | |
activity.activity_type | string · required one of note, call, email, meeting, task | Required. |
activity.subject | string | |
activity.body | string | |
activity.occurred_at | string · required | Required. |
activity.due_at | string | |
activity.completed_at | string | |
activity.contact_id | string | |
activity.opportunity_id | string | |
activity.account_id | string | |
activity.user_id | string | |
activity.activity_status_id | string | |
activity.custom_fields | object |
Code samples
curl --request POST \
--url 'https://api.cornerspot.net/c/api/v1/activities' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data '{
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
}'
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
});
const data = await response.json();
console.log(data);
// Node.js 18+ (native fetch)
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
});
if (!response.ok) {
throw new Error(`Request failed: ${response.status}`);
}
const data = await response.json();
console.log(data);
import json
import urllib.request
url = "https://api.cornerspot.net/c/api/v1/activities"
payload = json.dumps({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
}).encode("utf-8")
headers = {
"Content-Type": "application/json",
"Authorization": "Bearer YOUR_API_KEY",
}
request = urllib.request.Request(url, data=payload, headers=headers, method="POST")
with urllib.request.urlopen(request) as response:
data = json.loads(response.read().decode("utf-8"))
print(data)
require "json"
require "net/http"
uri = URI("https://api.cornerspot.net/c/api/v1/activities")
request = Net::HTTP::Post.new(uri)
request["Content-Type"] = "application/json"
request["Authorization"] = "Bearer YOUR_API_KEY"
request.body = JSON.generate({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
http.request(request)
end
puts JSON.parse(response.body)
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => 'https://api.cornerspot.net/c/api/v1/activities',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_HTTPHEADER => [
'Content-Type: application/json',
'Authorization: Bearer YOUR_API_KEY',
],
CURLOPT_POSTFIELDS => json_encode([
'activity' => [
'activity_type' => 'note',
'subject' => 'string',
'body' => 'string',
'occurred_at' => '2026-01-15T09:30:00Z',
'due_at' => '2026-01-15T09:30:00Z',
'completed_at' => '2026-01-15T09:30:00Z',
'contact_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'opportunity_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'account_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'user_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'activity_status_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'custom_fields' => [],
],
]),
]);
$response = curl_exec($curl);
curl_close($curl);
$data = json_decode($response, true);
print_r($data);
Responses
| STATUS | DESCRIPTION |
|---|---|
201 Created | created |
422 Unprocessable Content | validation errors (e.g. missing required fields or no associated entity) |
Get an activity
GET /c/api/v1/activities/{id}
Path parameters
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
id | string · required | Activity id. |
Code samples
curl --request GET \
--url 'https://api.cornerspot.net/c/api/v1/activities/abc123' \
--header 'Authorization: Bearer YOUR_API_KEY'
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'GET',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
const data = await response.json();
console.log(data);
// Node.js 18+ (native fetch)
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'GET',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
if (!response.ok) {
throw new Error(`Request failed: ${response.status}`);
}
const data = await response.json();
console.log(data);
import json
import urllib.request
url = "https://api.cornerspot.net/c/api/v1/activities/abc123"
headers = {
"Authorization": "Bearer YOUR_API_KEY",
}
request = urllib.request.Request(url, headers=headers, method="GET")
with urllib.request.urlopen(request) as response:
data = json.loads(response.read().decode("utf-8"))
print(data)
require "json"
require "net/http"
uri = URI("https://api.cornerspot.net/c/api/v1/activities/abc123")
request = Net::HTTP::Get.new(uri)
request["Authorization"] = "Bearer YOUR_API_KEY"
response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
http.request(request)
end
puts JSON.parse(response.body)
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => 'https://api.cornerspot.net/c/api/v1/activities/abc123',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'GET',
CURLOPT_HTTPHEADER => [
'Authorization: Bearer YOUR_API_KEY',
],
]);
$response = curl_exec($curl);
curl_close($curl);
$data = json_decode($response, true);
print_r($data);
Responses
| STATUS | DESCRIPTION |
|---|---|
200 OK | the activity |
404 Not Found | no such activity in this team |
Update an activity
PATCH /c/api/v1/activities/{id}
Updates an activity's attributes. Requires activities_write.
Path parameters
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
id | string · required | Activity id. |
Request body
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
activity | object | |
activity.activity_type | string one of note, call, email, meeting, task | |
activity.subject | string | |
activity.body | string | |
activity.occurred_at | string | |
activity.due_at | string | |
activity.completed_at | string | |
activity.contact_id | string | |
activity.opportunity_id | string | |
activity.account_id | string | |
activity.user_id | string | |
activity.activity_status_id | string | |
activity.custom_fields | object |
Code samples
curl --request PATCH \
--url 'https://api.cornerspot.net/c/api/v1/activities/abc123' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data '{
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
}'
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'PATCH',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
});
const data = await response.json();
console.log(data);
// Node.js 18+ (native fetch)
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'PATCH',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
});
if (!response.ok) {
throw new Error(`Request failed: ${response.status}`);
}
const data = await response.json();
console.log(data);
import json
import urllib.request
url = "https://api.cornerspot.net/c/api/v1/activities/abc123"
payload = json.dumps({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
}).encode("utf-8")
headers = {
"Content-Type": "application/json",
"Authorization": "Bearer YOUR_API_KEY",
}
request = urllib.request.Request(url, data=payload, headers=headers, method="PATCH")
with urllib.request.urlopen(request) as response:
data = json.loads(response.read().decode("utf-8"))
print(data)
require "json"
require "net/http"
uri = URI("https://api.cornerspot.net/c/api/v1/activities/abc123")
request = Net::HTTP::Patch.new(uri)
request["Content-Type"] = "application/json"
request["Authorization"] = "Bearer YOUR_API_KEY"
request.body = JSON.generate({
"activity": {
"activity_type": "note",
"subject": "string",
"body": "string",
"occurred_at": "2026-01-15T09:30:00Z",
"due_at": "2026-01-15T09:30:00Z",
"completed_at": "2026-01-15T09:30:00Z",
"contact_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"opportunity_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"account_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"user_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"activity_status_id": "1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d",
"custom_fields": {}
}
})
response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
http.request(request)
end
puts JSON.parse(response.body)
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => 'https://api.cornerspot.net/c/api/v1/activities/abc123',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'PATCH',
CURLOPT_HTTPHEADER => [
'Content-Type: application/json',
'Authorization: Bearer YOUR_API_KEY',
],
CURLOPT_POSTFIELDS => json_encode([
'activity' => [
'activity_type' => 'note',
'subject' => 'string',
'body' => 'string',
'occurred_at' => '2026-01-15T09:30:00Z',
'due_at' => '2026-01-15T09:30:00Z',
'completed_at' => '2026-01-15T09:30:00Z',
'contact_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'opportunity_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'account_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'user_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'activity_status_id' => '1f2e3d4c-5b6a-4789-9c0d-1e2f3a4b5c6d',
'custom_fields' => [],
],
]),
]);
$response = curl_exec($curl);
curl_close($curl);
$data = json_decode($response, true);
print_r($data);
Responses
| STATUS | DESCRIPTION |
|---|---|
200 OK | updated |
404 Not Found | no such activity in this team |
Delete (soft) an activity
DELETE /c/api/v1/activities/{id}
Soft-deletes the activity. Requires activities_write.
Path parameters
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
id | string · required | Activity id. |
Code samples
curl --request DELETE \
--url 'https://api.cornerspot.net/c/api/v1/activities/abc123' \
--header 'Authorization: Bearer YOUR_API_KEY'
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'DELETE',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
const data = await response.json();
console.log(data);
// Node.js 18+ (native fetch)
const response = await fetch('https://api.cornerspot.net/c/api/v1/activities/abc123', {
method: 'DELETE',
headers: {
'Authorization': 'Bearer YOUR_API_KEY'
}
});
if (!response.ok) {
throw new Error(`Request failed: ${response.status}`);
}
const data = await response.json();
console.log(data);
import json
import urllib.request
url = "https://api.cornerspot.net/c/api/v1/activities/abc123"
headers = {
"Authorization": "Bearer YOUR_API_KEY",
}
request = urllib.request.Request(url, headers=headers, method="DELETE")
with urllib.request.urlopen(request) as response:
data = json.loads(response.read().decode("utf-8"))
print(data)
require "json"
require "net/http"
uri = URI("https://api.cornerspot.net/c/api/v1/activities/abc123")
request = Net::HTTP::Delete.new(uri)
request["Authorization"] = "Bearer YOUR_API_KEY"
response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
http.request(request)
end
puts JSON.parse(response.body)
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => 'https://api.cornerspot.net/c/api/v1/activities/abc123',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'DELETE',
CURLOPT_HTTPHEADER => [
'Authorization: Bearer YOUR_API_KEY',
],
]);
$response = curl_exec($curl);
curl_close($curl);
$data = json_decode($response, true);
print_r($data);
Responses
| STATUS | DESCRIPTION |
|---|---|
204 No Content | deleted |
404 Not Found | no such activity in this team |
