Before you can use the JustSignup API, you first need to create your API key, create a GET request, and retrieve your API key. The key will send to your email address.
curl -X GET https://justsignup.com/api/get-apikey/your@email.com
sample API response
{
"success": true,
"message": "We have sent an email with the API key. Please find your API key in your mailbox."
}
Use below endpoint to get all of your submissions. Send GET request, and retrieve your submissions with the timestamp which in descending order.
curl -X GET https://justsignup.com/api/get-submissions/<apikey>
sample API response
{
"success": true,
"submissions": [{
"form_url": "https://justsignup.com/support",
"form_data": {
"name": "Kaywat Codes",
"email": "hello@kaywat.codes",
"message": "hello! there"
},
"submitted_at": {
"date": "2026-05-16 16:37:42.000000",
"timezone_type": 3,
"timezone": "UTC"
}
}, {
"form_url": "https://kaywat.codes/contact",
"form_data": {
"name": "JustSignup",
"email": "support@justsignup.com",
"message": "hello! there"
},
"submitted_at": {
"date": "2026-05-16 16:37:35.000000",
"timezone_type": 3,
"timezone": "UTC"
}
}]
}