This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
Hey Product Hunt! I built Slipstack because every time I needed invoice PDFs in an app, the answer was running headless Chrome somewhere (slow, heavy, flaky) or fighting a template engine for hours.
Slipstack is one endpoint: POST your line items as JSON, get back a clean, professional PDF in about 200ms. No Chromium, no templates to maintain. Tax, discounts, and totals are computed for you, and you can brand documents with your logo and colors.
There's a free tier (50 docs/month, no card needed), and if you just need one invoice right now there's a completely free generator that doesn't even ask for an account: slipstack.dev/tools/invoice-generator
Bonus for the AI crowd: it ships with a remote MCP server, so Claude, Cursor, or any MCP client can generate invoices as a native tool.
I'd love your feedback - especially on pricing and which document templates to add next!
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About Slipstack — Invoices & PDFs as an API on Product Hunt
“Invoices & PDFs as an API - JSON in, PDF out”
Slipstack — Invoices & PDFs as an API was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #31 on the daily leaderboard. Generate pixel-perfect invoices, receipts, and documents from JSON with a single API call. No headless browsers, no templates to maintain.
Slipstack — Invoices & PDFs as an API was featured in API (98.2k followers), SaaS (42.4k followers) and Developer Tools (513.8k followers) on Product Hunt. Together, these topics include over 127.8k products, making this a competitive space to launch in.
Who hunted Slipstack — Invoices & PDFs as an API?
Slipstack — Invoices & PDFs as an API was hunted by Doug Walseth. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Slipstack — Invoices & PDFs as an API stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Doug Walseth