code Open Source

Repositories

Public SDKs and code libraries for building on our products. Where the browser tools above help you inspect and debug, these libraries help you ship — open source on GitHub, free to use.

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askpay-sdks

SDK code libraries for Ask by Paying.co — white-label payment requests over QR and SMS for ISOs and VARs.

C# TypeScript Go PHP Python

link ask.paying.co View on GitHub north_east

web

landed-sdks

API and SDK libraries for Landed.net — the AI-powered page builder platform. Publish, manage, and automate pages from code.

TypeScript PHP Python JavaScript

link landed.net View on GitHub north_east

link

puny-sdks

API SDK for Puny.io — security-first link shortening and capsules. Shorten, brand, and expire links programmatically.

Java TypeScript

link puny.io View on GitHub north_east

Tools and libraries, one developer surface

This section pairs two things a payments developer reaches for repeatedly. The browser tools decode and validate what you are already working with — TLV, APDUs, AIDs, PANs, ISO 8583 messages — with nothing leaving your device. The repositories give you typed, ready-to-use clients for our products, so the path from inspecting a payload to shipping an integration is short.

Everything here is meant to be bookmarked and returned to. No login, no setup, no cost. Browse all of them on our GitHub organization →

Want a library we don't publish yet?

We build SDKs and reference integrations as part of client engagements across every major terminal and acquirer. If you need a client in a language or for a platform we have not released, talk to a payments engineer →

code Repositories are hosted on GitHub under the PayingCo organization. Licensing terms are stated in each repository.