curl -X POST 'https://crypto-api.yativo.com/api/v1/auth/token' \
  -H 'Content-Type: application/json' \
  -d '{
    "api_key": "yativo_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "api_secret": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  }'

const response = await fetch('https://crypto-api.yativo.com/api/v1/auth/token', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    api_key: process.env.YATIVO_API_KEY,
    api_secret: process.env.YATIVO_API_SECRET,
  }),
});
const { access_token } = await response.json();

{
  "success": true,
  "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "token_type": "Bearer",
  "expires_in": 3600,
  "expires_at": "2026-03-28T11:00:00.000Z",
  "scopes": ["read", "write", "transactions"],
  "refresh_recommendation": {
    "refresh_before_seconds": 300,
    "auto_refresh_enabled": true
  }
}

{
  "success": false,
  "error": "Invalid, expired, or revoked API key"
}