
Kinde
Metronome
Lago Billing
Credyt
Stigg
Autumn
OpenMeter
Usage-based and credit-based billing for AI, API and SaaS products. Meter events, rate usage, and invoice through Stripe or Paddle.

JavaScript.com
JavaScript Quiz
Learn JavaScript
JavaScript Knowledge Map
Do you speak JavaScript?
50 Tips on JavaScript
dateDropper Javascript
A full list of JavaScript operators with examples

Which is more popular?
Based on our record, JavaScript Operator Lookup seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codelet.co | joshwcomeau.com |
| Pricing | — | |
| Company | Startup from Finland · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Codelet is a usage-based and credit-based billing infrastructure for SaaS and AI products. Meter events, track usage, and automatically invoice customers through Stripe or Paddle. Built for developers and SaaS companies that need flexible drop-in billing models beyond fixed subscriptions....
No description of JavaScript Operator Lookup yet.
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codelet Billing and JavaScript Operator Lookup.
Codelet Billing's answer
Indie hackers and small-to-medium teams requiring complex billing that isn't supported in Stripe or Paddle.
Codelet Billing's answer
Codelet is built self-serve, with only a few API calls required to get set up. Agents can build full integrations in minutes. Codelet supports credit-based (prepaid) and usage-based (postpaid) billing on top of Stripe and Paddle, in any combination of pricing models, like graduated, flat-rate and stairstep. All in a simple platform that's quick and easy to set up and master.
Codelet Billing's answer
Codelet is a drop-in API integration, which removes the complexity of a native billing system, and replaces with a few API calls. Pricing and billing can be managed from a simplified dashboard. Codelet runs on either Stripe or Paddle, giving flexibility for payments and Merchant of Record features.
Share your experience with using Codelet Billing and JavaScript Operator Lookup. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Codelet Billing since Aug 2026.
If you replace your || with ?? You should get the behaviour you are after. This is a good reference for what the operators do in js: https://joshwcomeau.com/operator-lookup. Source: about 5 years ago
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