WordPress Developer Needed Replace Zapier with Brevo API

We have an existing WordPress website with a working checkout/payment flow. Currently, Zapier is being used to send the customer email after successful payment. We want to completely remove the Zapier dependency and replace it with a direct Brevo API integration... (Budget: $30 - $50 AUD, Jobs: API Development, API Integration, CSS, HTML, PHP, Web Design, Web Development, WordPress, WordPress Design, Zapier)