Postman vs WireMock:Which is more popular?
In September 2026, Postman had more branded searches than WireMock among API mocking platforms worldwide. Postman had about 17,500 branded searches, while WireMock had 12,100. Postman made up 40.2% of all API mocking platform searches we track, and WireMock accounted for 27.8%. When we asked ChatGPT and Google AI Overviews about API mocking platforms, WireMock appeared in all five answers and Postman in four. WireMock was mentioned before Postman in three out of five answers.
Who do people search for more?
Postman, about 45% more searches than WireMock
Who does AI mention more?
WireMock, mentioned in every answer we collected
Who does AI recommend more?
WireMock, named ahead of Postman in 3 of 5 answers
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Top API mocking platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, WireMock appeared in all five answers. Postman was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. WireMock was listed before Postman in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- WireMock5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Beeceptor5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Mockoon5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Postman4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
MockServer2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Stoplight1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about API mocking platforms
5 answers
Asked ChatGPT
“Which API mocking platform should I use?”
Asked ChatGPT
“What are the best API mocking platforms?”
Asked ChatGPT
“What's the best API mocking platform for developer teams?”
Searched Google, AI Overview
“mock api for testing”
Searched Google, AI Overview
“api mock server”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Postman or WireMock more popular in search?
This chart shows how often people search Google for Postman and WireMock by name. Each line represents a brand's share of searches for all six API mocking platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Postman, WireMock. The figures are in the table below the chart.
View monthly share of searches table
| Month | Postman | WireMock | Beeceptor | Mockoon | MockServer | Stoplight |
|---|---|---|---|---|---|---|
| Oct 2025 | 42.3% | 22.7% | 12.4% | 15.2% | 6.7% | 0.74% |
| Nov 2025 | 39.4% | 24.8% | 11.1% | 16.6% | 7.4% | 0.65% |
| Dec 2025 | 38.5% | 24.2% | 13.2% | 16.2% | 7.2% | 0.64% |
| Jan 2026 | 37.6% | 27.6% | 12.3% | 15.1% | 6.7% | 0.73% |
| Feb 2026 | 41.2% | 26% | 11.6% | 14.2% | 6.3% | 0.68% |
| Mar 2026 | 40% | 25.2% | 11.2% | 16.8% | 6.1% | 0.66% |
| Apr 2026 | 41.3% | 26% | 11.6% | 14.2% | 6.3% | 0.56% |
| May 2026 | 39.1% | 24.6% | 13.4% | 13.4% | 9% | 0.53% |
| Jun 2026 | 40.3% | 24.1% | 13.2% | 16.1% | 5.8% | 0.52% |
| Jul 2026 | 41.5% | 24.9% | 13.6% | 13.6% | 6% | 0.53% |
| Aug 2026 | 41.4% | 26.1% | 11.6% | 14.2% | 6.2% | 0.45% |
| Sep 2026 | 40.2% | 27.8% | 12.4% | 12.4% | 6.7% | 0.48% |
How has the Postman and WireMock comparison changed over the last 12 months?
3 findings
- Postman was ahead of WireMock in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Postman’s share of searches among API mocking platforms worldwide moved from 42.3% to 40.2%, and its estimated monthly branded searches moved from 27.6K to 17.5K.
- Across the 12 months ending September 2026, WireMock’s share of searches among API mocking platforms worldwide moved from 22.7% to 27.8%, and its estimated monthly branded searches moved from 14.8K to 12.1K.
How did search popularity change for API mocking platforms worldwide in September 2026?
2 changes
In September 2026, WireMock gained share of searches among API mocking platforms worldwide, from 26.1% to 27.8%.
In September 2026, Postman lost share of searches among API mocking platforms worldwide, from 41.4% to 40.2%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Postman’s and WireMock’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among API mocking platforms
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