$ curl https://stage.wepayapi.com/v2/checkout/create \
    -H "Authorization: Bearer STAGE_8a19aff55b85a436dad5cd1386db1999437facb5914b494f4da5f206a56a5d20" \
    -d "account_id=12345" \
    -d "amount=24.95" \
    -d "short_description=Services rendered by freelancer" \
    -d "type=service" \
    -d "currency=USD" \
    -d "mode=iframe"