post__user_register

POST /user/register

Register User

This endpoint creates a new user account and organization. The system automatically:

Validates email format and uniqueness
Checks password complexity requirements
Creates an organization based on company domain
Assigns a free trial subscription
Sends email verification

Password Requirements:

Minimum 8 characters
Must contain uppercase letter
Must contain lowercase letter
Must contain number

Email Verification:

Verification email sent immediately after registration
Verification tokens expire after 24 hours
Write operations blocked until email verification

Account Types:

Personal: Use isBusiness: false for personal accounts
Business: Use isBusiness: true for business accounts with company details

TypeScript Client Library

public userRegister = async (data: RegisterBody): Promise<RegisterResponse> => {
  return this.makeRequest<RegisterResponse>('user/register', 'POST', data);
};

Code Samples

# You can also use wget
curl -X POST https://backend.flashback.tech/user/register \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'Authorization: Bearer {access-token}'

const inputBody = '{
  "email": "[email protected]",
  "password": "SecurePass123",
  "firstName": "John",
  "lastName": "Doe",
  "companyName": "Acme Corporation",
  "companyWebsite": "https://acme.com",
  "isBusiness": true
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json',
  'Authorization':'Bearer {access-token}'
};

fetch('https://backend.flashback.tech/user/register',
{
  method: 'POST',
  body: inputBody,
  headers: headers
})
.then(function(res) {
    return res.json();
}).then(function(body) {
    console.log(body);
});

require 'rest-client'
require 'json'

headers = {
  'Content-Type' => 'application/json',
  'Accept' => 'application/json',
  'Authorization' => 'Bearer {access-token}'
}

result = RestClient.post 'https://backend.flashback.tech/user/register',
  params: {
  }, headers: headers

p JSON.parse(result)

import requests
headers = {
  'Content-Type': 'application/json',
  'Accept': 'application/json',
  'Authorization': 'Bearer {access-token}'
}

r = requests.post('https://backend.flashback.tech/user/register', headers = headers)

print(r.json())

<?php

require 'vendor/autoload.php';

$headers = array(
    'Content-Type' => 'application/json',
    'Accept' => 'application/json',
    'Authorization' => 'Bearer {access-token}',
);

$client = new \GuzzleHttp\Client();

// Define array of request body.
$request_body = array();

try {
    $response = $client->request('POST','https://backend.flashback.tech/user/register', array(
        'headers' => $headers,
        'json' => $request_body,
       )
    );
    print_r($response->getBody()->getContents());
 }
 catch (\GuzzleHttp\Exception\BadResponseException $e) {
    // handle exception or api errors.
    print_r($e->getMessage());
 }

 // ...

URL obj = new URL("https://backend.flashback.tech/user/register");
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST");
int responseCode = con.getResponseCode();
BufferedReader in = new BufferedReader(
    new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
    response.append(inputLine);
}
in.close();
System.out.println(response.toString());

package main

import (
       "bytes"
       "net/http"
)

func main() {

    headers := map[string][]string{
        "Content-Type": []string{"application/json"},
        "Accept": []string{"application/json"},
        "Authorization": []string{"Bearer {access-token}"},
    }

    data := bytes.NewBuffer([]byte{jsonReq})
    req, err := http.NewRequest("POST", "https://backend.flashback.tech/user/register", data)
    req.Header = headers

    client := &http.Client{}
    resp, err := client.Do(req)
    // ...
}

Body parameter

{
  "email": "[email protected]",
  "password": "SecurePass123",
  "firstName": "John",
  "lastName": "Doe",
  "companyName": "Acme Corporation",
  "companyWebsite": "https://acme.com",
  "isBusiness": true
}

Parameters

Name

Type

Required

Description

body

object

true

none

» email

body

string(email)

true

User's email address (must be unique)

» password

body

string

true

Password meeting complexity requirements

» firstName

body

string

true

User's first name

» lastName

body

string

true

User's last name

» companyName

body

string

true

Company or organization name

» companyWebsite

body

string

false

Company website URL (optional for personal accounts)

» isBusiness

body

boolean

true

Whether this is a business account

Example responses

201 Response

{
  "success": true,
  "accessToken": "string",
  "refreshToken": "string",
  "tokenId": "string",
  "user": {
    "id": "string",
    "email": "string",
    "name": "string",
    "orgId": "string",
    "image_url": "string"
  }
}

Responses

Status

Meaning

Description

Schema

201

Created

User registered successfully

Inline

400

Bad Request

Registration failed

Inline

Response Schema

Status Code 201

Name

Type

Required

Restrictions

Description

» success

boolean

false

none

» accessToken

string

false

none

JWT access token for API authentication

» refreshToken

string

false

none

JWT refresh token for token renewal

» tokenId

string

false

none

Internal token identifier

» user

object

false

none

»» id

string

false

none

User's unique identifier

»» email

string

false

none

User's email address

»» name

string

false

none

User's display name

»» orgId

string

false

none

Organization identifier

»» image_url

string

false

none

User's profile image URL

Status Code 400

Name

Type

Required

Restrictions

Description

» success

boolean

false

none

» error_code

string

false

none

Specific error code

» message

string

false

none

Human-readable error message

Enumerated Values

Property

Value

error_code

EMAIL_EXISTS_ACTIVE

error_code

EMAIL_EXISTS_INACTIVE

error_code

WEAK_PASSWORD

error_code

INVALID_INPUT

error_code

ORG_BANNED

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Last updated 4 months ago

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