Email + password sign-up

POST

/auth/signup

const url = 'https://example.com/api/auth/signup';
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: '{"email":"hello@example.com","password":"example","name":"example","callback_origin":"example"}'
};

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://example.com/api/auth/signup \
  --header 'Content-Type: application/json' \
  --data '{ "email": "hello@example.com", "password": "example", "name": "example", "callback_origin": "example" }'

Admin generateLink (signup) + Mailgun confirmation email. Validates browser Origin, rate-limits by IP. Existing-email cases return the same opaque success as new signups.

Request Body^required

application/json

object

email

required

string format: email

password

required

string

>= 6 characters

name

string

<= 200 characters

callback_origin

string

<= 512 characters

Responses

200

Signup initiated — check email to confirm

application/json

object

required

boolean

message

string

400

Invalid request

application/json

object

error

required

Human-readable error message

string

code

Stable machine-readable error code for client branching

string

fieldErrors

First validation message per field path

object

key

additional properties

string

issues

Structured validation issues (Zod)

Array<object>

object

path

required

string

message

required

string

retryAfter

Seconds until rate limit resets (429 responses)

number

403

Forbidden

application/json

object

error

required

Human-readable error message

string

code

Stable machine-readable error code for client branching

string

fieldErrors

First validation message per field path

object

key

additional properties

string

issues

Structured validation issues (Zod)

Array<object>

object

path

required

string

message

required

string

retryAfter

Seconds until rate limit resets (429 responses)

number

429

Rate limited

application/json

object

error

required

Human-readable error message

string

code

Stable machine-readable error code for client branching

string

fieldErrors

First validation message per field path

object

key

additional properties

string

issues

Structured validation issues (Zod)

Array<object>

object

path

required

string

message

required

string

retryAfter

Seconds until rate limit resets (429 responses)

number

retryAfter

Seconds until the rate limit resets

number

Headers

Retry-After

string

502

Supabase or Mailgun failure

Email + password sign-up

Request Body required

Responses

200

400

403

429

Headers

502

Request Body^required