I will integrate custom third party API

K
kurokasaiken666
K
kurokasaiken666
Fausto B
integrate custom third party API
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integrate custom third party API

About this gig

ed to connect your backend with Stripe, Shopify, Slack, HubSpot, SendGrid or any other service? I build secure, production-ready API integrations and webhook receivers in Java / Quarkus or Python.

I focus on backend reliability: authentication (API key, OAuth, JWT), error handling, retries, rate limits, logging and clean data flow.

What I can integrate:

  • Payment APIs: Stripe, PayPal
  • E-commerce: Shopify, WooCommerce
  • Communication: Slack, Discord, Twilio, SendGrid
  • CRM / Marketing: HubSpot, ActiveCampaign
  • Any REST/JSON API with documentation

Packages:

  • Basic 80: 1 API integration
  • Standard 180: 2-3 API integrations + 1 webhook
  • Premium 380: Multi-API sync + webhooks + retry logic + Docker + tests

  • Website type

    • Business

  • Website features

    • Payment
    • Form
    • User Authentication
Respect third-party rights

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Get to know Fausto B

Fausto B

Software Developer

  • FromItaly
  • Member sinceAug 2026

  • Languages

    English
I am a Software Engineer with experience in Java, Quarkus, Docker, and PostgreSQL, specializing in backend systems for medical and enterprise software. I have designed and implemented REST APIs and system integrations in complex environments, focusing on reliability, maintainability, and performance. I am currently interested in backend engineering and distributed systems.

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