Dev tools · alternatives · 2026

24 alternatives to Mocka

Instant Mock APIs for Devs, No JSON Required!

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Mock API Generator▲555
Generate custom data & API to build apps in less than 30s
2021 · retool.com · its alternatives →
2
Mockoon – mock REST APIs in seconds▲68
Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.
2017 · mockoon.com · its alternatives →
3
MockAPI Dog▲122
Instant mock REST & LLM APIs - free, no signup required
Feb 2026 · mockapi.dog · its alternatives →
4
Mock Maker▲93
Effortless mock APIs for seamless testing & prototyping
2024 · its alternatives →
5
Mockaroo▲354
A realistic data generator to test your app
2015 · mockaroo.com · its alternatives →
6
MockREST – Create REST APIs from Your JSON Content▲12
Mock REST endpoints in seconds. Test without backend delays. Built for developers who need reliable mock data now.
2017 · mockrest.com · its alternatives →
7GJ
Generate JSON mock data for testing/initial app development▲103
Easily create complex JSON data structures using intuitive templates.
2023 · jsongenerator.io · its alternatives →
8
Mockable▲114
For rapid API prototyping: create REST/SOAP mocks in 3 sec
2015 · its alternatives →
9MO
Mockit – Open-source app to create and configure HTTP mocked endpoints▲158
2019 · mockit.netlify.com · its alternatives →
10
MockThis▲80
Generate mock data using AI
2023 · its alternatives →
11MS
Mocktastic – Simple, Offline mock REST APIs for your entire team▲43
2018 · mocktastic.com · its alternatives →
12
Mockadillo▲115
Mock your entire API in minutes.
2019 · mockadillo.com · its alternatives →
13
Mock API Generator▲17
API Mocks Prototyping
2020 · mock-api-builder.vercel.app · its alternatives →
14
MockWave - Free API mocking tool▲5
Mockwave
2025 · mockwave.io · its alternatives →
15
MockAPI▲4
Instant API Mocking for Faster Development
2024 · its alternatives →
16
JSONing Mock API▲6
Free and open source fake API for testing and prototyping
Nov 2025 · jsoning.com · its alternatives →
17
Mockoon▲89
Mock servers in seconds
2017 · mockoon.com · its alternatives →
18
Postkit 2.0▲129
Codepen for mock APIs
2019 · its alternatives →
19
Mocktail – Free, open-source mock API server with a built-in dashboard▲25
Hi HN, I built the first version of Mocktail years ago. I recently came back to the project, and after a pretty substantial rebuild, v4 is now out. Mocktail is a free and open-source, self-hosted mock API server with a built-in dashboard and database, packaged as a single ~25 MB binary. You can run it locally or on your own infrastructure — no account or hosted service required. You can define endpoints and responses, generate realistic data per request, customize headers, status codes and latency, and inspect incoming requests in real time. With v4, I also added MCP support, so coding…
Aug 2026 · getmocktail.com · its alternatives →
20
Fake API for Devs▲8
Free mock api generator for developers | instant test data
Nov 2025 · fakeapifordevs.vercel.app · its alternatives →
21
JSON url▲119
Mock backend with JSON generated from URL
2022 · jsonurl.com · its alternatives →
22
API Fast Mock▲6
Stateless API mocks in seconds, powered by tokens.
2025 · apifastmock.com · its alternatives →
23
Mockline▲5
Instant Mock APIs from OpenAPI Specs
Mar 2026 · mockline.xyz · its alternatives →
24
APImocka▲6
Create a hosted hackable mock API backend in seconds
2018 · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →