Create or refresh OAuth token

POST https://auth.planetscale.com/oauth/token

{
  "access_token": "pscale_oauth_8zO_rNQCct1Uj8zkTWLh3kgwAqg8UabGIc43D2eINvo",
  "token_type": "Bearer",
  "expires_in": 2592000,
  "refresh_token": "pscale_oauth_refresh_W_zjmZ1a14sczj15bxJdsW_kiv063OrHG4CBh0IXR9M",
  "scope": "read_user read_databases"
}

# Exchange authorization code for access token
curl -X POST https://auth.planetscale.com/oauth/token \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -d "grant_type=authorization_code" \
  -d "code=YOUR_AUTHORIZATION_CODE" \
  -d "redirect_uri=https://your-app.com/callback" \
  -d "client_id=YOUR_CLIENT_ID" \
  -d "client_secret=YOUR_CLIENT_SECRET"

# Refresh an access token
curl -X POST https://auth.planetscale.com/oauth/token \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -d "grant_type=refresh_token" \
  -d "refresh_token=YOUR_REFRESH_TOKEN" \
  -d "client_id=YOUR_CLIENT_ID" \
  -d "client_secret=YOUR_CLIENT_SECRET"