
Beeceptor
Request inspector
Mockoon
HttpMaster
Webhook.site
Hoppscotch
API Fortress
Easy mocking of any system you integrate with via HTTP or HTTPS.

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.

Which is more popular?
Based on our record, MockServer seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mock-server.com | codelet.co |
| Pricing | ||
| Company | — | Startup from Finland · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of MockServer yet.
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....
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Codelet Billing yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MockServer and Codelet Billing.
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 MockServer and Codelet Billing. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


There are several strategies to solve this kind of challenge, but today we will see MockServer as a tool to resolve it. - Source: dev.to / almost 2 years ago
The open-source examples are mockoon, mock-server.com, etc. Source: over 3 years ago
I've just found out MockServer and it looks awesome 🤩 so I wanted to check it out repeating the steps of my previous demo WireMock Testing which (as you can expect) uses WireMock, another fantastic tool to mock APIs. - Source: dev.to / over 4 years ago
Tracking Codelet Billing since Aug 2026.
When comparing MockServer and Codelet Billing, you can also consider the following products.

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Kinde provides Authentication tools and infrastructure to helps SaaS businesses accelerate their product development. Every day, Kinde gives the best teams in the world, everything they need to build, secure, monetize, and manage a more modern web
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Debug web hooks, http clients
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Metronome helps software companies launch, iterate, and scale their usage-based business models, with billing infrastructure that works at any size and stage.
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Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.
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Open-source alternative to Stripe Billing and Chargebee
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