Marcel Czuryszkiewicz
Co-Founder
Marcel is one of the builders behind bundle.social, creating a social media API with a strong focus on developer experience, reliability, and real support. Before bundle.social, he worked at Samsung R&D, Reply AI, and Docplanner, building internal tools that helped companies grow. He brought that same practical, product-focused mindset to bundle.social, so you can trust that your project is in good hands.
Latest posts
Social Media Analytics API: Normalized Metrics, Coverage and Freshness
August 25, 2026 | Social Media
We publish to fifteen platforms and read analytics from twelve. This guide is the difference: the field-by-field mapping, the metrics that have no counterpart and arrive as zero, a 24-hour refresh interval with five forced exceptions a day, and why analytics spends the same quota as publishing.
Social Media API Error Handling
August 25, 2026 | API Guides
Every social media API failure reduces to one question: retry, or give up. Get it wrong one way and you publish twice; the other way you fail a post that would have worked. Covers classification for 15 platforms, which ones duplicate on retry, and failures reported after the post went live.
How One Agency Automates 8,000 Social Media Posts Per Day (Case Study)
August 25, 2026 | Case Study
A real case study of how a digital marketing agency scaled from manual posting to 8,000 automated posts daily across 14 platforms using bundle.social API.
How to Automate Social Media Posting with n8n (Free Workflow)
August 25, 2026 | Automation
Learn how to build a free social media automation workflow using n8n and the Bundle Social API to post to Instagram, TikTok, and LinkedIn automatically.
Social Media API Integration: A Practical Guide for Developers & Marketers (No Fluff)
August 25, 2026 | Automation
Fifteen platforms side by side: token lifetimes, refresh models, publish flows, rate-limit models and publishing caps in one table. Then the parts that only show up in production - retry classification, the analytics mismatch, and media specs that fail a check you did not know existed.
Social Media Posting API: What Runs Under the Hood, and When to Build Your Own
August 25, 2026 | API Guides
A social media posting API hides four different publishing models behind one endpoint. This article opens them up: container flows, chunked uploads, pull-from-URL, non-idempotent publishes that duplicate on retry - and a list of conditions under which you should build it yourself.