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Polar

Open-source merchant of record for developers.

Official site
Monthly cost
$0+ / mo
4% + $0.40 per charge
Popularity
3/5
LLM knowledge
2/5
Difficulty
Easy
#open-source#low-cost

What Polar is good at

Strengths
  • +Open source
  • +Dev-focused
  • +Merchant of record
Tradeoffs
  • Young
  • Smaller feature set

Coding-agent prompt

You're working with Polar. Open-source merchant of record for developers.

Best practices:
- Lean on: open source
- Lean on: dev-focused
- Lean on: merchant of record

Things to watch for:
- Watch out for: young
- Watch out for: smaller feature set

General guidance:
- Canonical docs: https://polar.sh — check here before inventing APIs.
- Keep secrets in environment variables, never commit them.
- Write TypeScript where the ecosystem supports it; add types to every exported function.
- Add tests for the critical paths before declaring the task done.
- Read-the-docs is usually faster than guessing — cite the docs page in code comments when you apply a non-obvious pattern.

Beginner's guide to Polar

In one line: Open-source merchant of record for developers.

Polar is a newer, open-source alternative in the merchant-of-record space. Focused on devs and digital products.

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