# Zandovi Blog

> Guides, use cases, and stories about creating coupons, gift cards, tickets, and promotional materials with Zandovi.

## Posts

- [Canva Bulk Create: The Limits, and What to Do When You Hit Them](https://zandovi.com/blog/canva-bulk-create-limits): Bulk Create is genuinely good until you need more rows, an automated trigger, or per-row validation. Here's an honest look at where the ceiling is and what the realistic options are.
- [Generating Images Inside an n8n, Make or Zapier Workflow (With Just an HTTP Node)](https://zandovi.com/blog/generate-images-in-n8n-make-zapier-workflows): Automation platforms move text and data around beautifully and go quiet the moment you need a designed image. Here's the HTTP-node recipe that closes the gap, with no custom node required.
- [What a Rendered Image Actually Costs: Image Generation API Pricing in 2026](https://zandovi.com/blog/image-generation-api-pricing-2026): Credits, renders, seats, format multipliers. The pricing pages in this category are hard to compare on purpose. Here's the same question asked of every vendor: what does one image cost?
- [How to Generate Certificates From a Spreadsheet (CSV to ZIP, No Mail Merge)](https://zandovi.com/blog/generate-certificates-from-a-spreadsheet): Design the certificate once, upload your attendee spreadsheet, download a ZIP with one print-ready file per row. A full walkthrough, including the validation step that saves you from 200 misspelled names.
- [Dynamic OG Images With an API, Without Running a Headless Browser](https://zandovi.com/blog/dynamic-og-images-with-an-api): Most OG image tutorials end with 'now run Puppeteer in a Lambda'. Here's the version where a designed template is a single POST request that returns a PNG in under a second.
- [Designing Gift Cards People Actually Redeem](https://zandovi.com/blog/designing-gift-cards-people-actually-redeem): An unredeemed gift card is money you took for a promise nobody collected. Here's how to design a set that gets used, and how to produce every denomination and code from one template.
- [How to Number Event Tickets (And Why the Number Isn't Enough)](https://zandovi.com/blog/how-to-number-event-tickets): Sequential numbers stop honest mistakes and nothing else. Here's how to produce a run of tickets where every one carries its own number and its own scannable code, straight from a spreadsheet.

## About Zandovi

- [Zandovi](https://zandovi.com): Create coupons, gift cards, tickets, and promotional materials in minutes.
- [Documentation](https://docs.zandovi.com): Product docs and API reference.

## Optional

- [Full text of all posts](https://zandovi.com/blog/llms-full.txt)
- [RSS feed](https://zandovi.com/blog/rss.xml)