Best alternatives to Mockiato: Mock API Requests in DevTools (2026)

Mockiato: Mock API Requests in DevTools today

Mockiato alternatives, compared

1. 1

   Redux DevTools

   Redux DevTools for debugging application's state changes.

   ≈1M users4.6★ from 740 ratingsUpdated 19 months ago6 permissions

   • About 200× more users than Mockiato
   • Rated 0.3 stars lower
   • Updated less recently
   • Asks for more permissions (6 vs 3)

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2. 2

   tweak: mock and modify HTTP requests

   Mock or modify your HTTP requests to test, develop and demo your web application

   ≈80K users4.6★ from 239 ratingsUpdated 5 days ago6 permissions

   • About 16× more users than Mockiato
   • Rated 0.2 stars lower
   • Asks for more permissions (6 vs 3)

   tweak alternativesCompare side by side
3. 3

   Requestly: Intercept & Modify HTTP Requests

   Intercept & modify HTTP(S) traffic: redirect URLs, modify headers, inject scripts, mock REST & GraphQL APIs, and more.

   ≈300K users4.5★ from 1.8K ratingsUpdated 13 days ago12 permissions

   • About 60× more users than Mockiato
   • Rated 0.4 stars lower
   • Asks for more permissions (12 vs 3)

   Requestly alternativesCompare side by side
4. 4

   Angular DevTools

   Angular DevTools extends Chrome DevTools adding Angular specific debugging and profiling capabilities.

   ≈300K users3.7★ from 192 ratingsUpdated 3 weeks ago5 permissions

   • About 60× more users than Mockiato
   • Rated 1.2 stars lower
   • Asks for more permissions (5 vs 3)

   Angular DevTools alternativesCompare side by side
5. 5

   Request Interceptor

   Intercept and modify network requests: headers, query params, delay, response body, custom script/CSS injection.

   ≈10K users4.2★ from 67 ratingsUpdated 2 months ago8 permissions

   • About 2.0× more users than Mockiato
   • Rated 0.7 stars lower
   • Updated less recently
   • Asks for more permissions (8 vs 3)

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6. 6

   Inssman: Open-Source: Modify HTTP Request

   Intercept HTTP(S) Request, Modify Headers, Log headers, Change Response, Block Request, Redirect, Custom HTML/CSS/JS/JSON

   ≈5K users3.9★ from 16 ratingsNot updated for 2+ years10 permissions

   • A similar number of users to Mockiato
   • Updated less recently
   • Asks for more permissions (10 vs 3)

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7. 7

   ModBox – Modify headers, block requests

   Modify HTTP headers, block assets or domains & redirect requests. Organise rules by folder and tab, optionally scope to domains.

   ≈10K users4.8★ from 16 ratingsUpdated 6 months ago3 permissions

   • About 2.0× more users than Mockiato
   • Updated less recently

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8. 8

   Inertia.js DevTools

   Inspect every Inertia.js visit in Chrome DevTools: props, requests, routes, and page state.

   ≈3K users5.0★ from 13 ratingsUpdated 2 months ago6 permissions

   • About 1.7× fewer users than Mockiato
   • Asks for more permissions (6 vs 3)

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9. 9

   OpenAPI DevTools

   Instantly generate API specifications in real time for any app or website. OpenAPI DevTools generates OpenAPI specifications in…

   ≈5K users4.3★ from 12 ratingsNot updated for 2+ yearsNo special permissions

   • A similar number of users to Mockiato
   • Updated less recently
   • Asks for fewer permissions (0 vs 3)

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10. 10

    TanStack Query DevTools

    Real-time TanStack Query devtools in your browser. Inspect queries, mutations, and cache — with zero bundle impact.

    ≈20K users3.6★ from 10 ratingsUpdated 2 months ago1 permissions

    • About 4.0× more users than Mockiato
    • Updated less recently
    • Asks for fewer permissions (1 vs 3)

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Mockiato alternatives: questions

Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.