Automate Hotmart OXXO/SPEI Payments via API

I need a system to generate Hotmart OXXO and SPEI payments via API

I’m looking for someone to build a system that automates the generation of OXXO and SPEI payments from Hotmart.
The idea is simple: I send the data through an API, and the system returns everything I need to deliver to the customer.

I’m open to any technical solution — Playwright, Puppeteer, a custom API, VPS, Cloud Run, or anything that is fast, stable, and reliable.

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What the system must do

1. Open the Hotmart checkout
• Select Mexico as the country.
• Fill in name, phone number, and email (received through the API).

2. Select the payment method
• OXXO
• SPEI

3. Complete the checkout
No manual interaction.

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What the system must return

For OXXO
• The OXXO payment code (the number customers pay with).
• The OXXO boleto / voucher page link.

For SPEI
• CLABE
• Reference
• The final confirmation page link

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Deliverables
• A working API (POST with checkoutUrl, name, email, phone, payment method).
• Clear short documentation on how to use it.
• Project ready to deploy (Docker or similar).
• Recommendation of the best hosting environment (VPS, Cloud Run, etc).
• Ability to handle future element changes from Hotmart.

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Freelancers may also suggest
• The fastest and most stable technical approach.
• Ways to reduce latency and avoid Hotmart blocking.
• Retry logic, proper logging, and error handling improvements.