curl --request POST \
  --url https://api.thefaithapp.com/v1/auth/start \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_key": "your-client-api-key",
  "redirect_uri": "https://example.com/auth/callback"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    client_key: 'your-client-api-key',
    redirect_uri: 'https://example.com/auth/callback'
  })
};

fetch('https://api.thefaithapp.com/v1/auth/start', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.thefaithapp.com/v1/auth/start"

payload = {
    "client_key": "your-client-api-key",
    "redirect_uri": "https://example.com/auth/callback"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "auth_url": "https://auth.thefaithapp.com/member/sign-in?client_key=your-client-api-key&redirect_uri=https%3A%2F%2Fexample.com%2Fauth%2Fcallback&state=replace-with-random-state",
  "client": {
    "id": 45,
    "name": "Example Church",
    "image": "clients/example-logo.png",
    "image_url": "https://cdn.example.com/clients/example-logo.png",
    "about": null,
    "public_uuid": "11111111-2222-3333-4444-555555555555"
  },
  "redirect_uri": "https://example.com/auth/callback",
  "providers": [
    "google",
    "apple",
    "email"
  ]
}

{
  "message": "Redirect URL is not allowed for this client.",
  "error": "Redirect URL is not allowed for this client.",
  "errors": {}
}

{
  "message": "Client not found.",
  "error": "Client not found.",
  "errors": {}
}

{
  "message": "The redirect uri field is required.",
  "error": "The redirect uri field is required.",
  "errors": {}
}