MockServer vs Postman:Which is more popular?
In September 2026, Postman had more branded searches than MockServer among API mocking platforms worldwide. Postman had about 17,500 branded searches, while MockServer had 2,900. Postman made up 40.2% of all API mocking platform searches we track, and MockServer accounted for 6.7%. When we asked ChatGPT and Google AI Overviews about API mocking platforms, Postman appeared in four of the five answers and MockServer in two. Postman was mentioned before MockServer in every answer that named either.
Who do people search for more?
Postman, about 6 searches for every 1 for MockServer
Who does AI mention more?
Postman, mentioned in 4 of 5 answers, MockServer in 2
Who does AI recommend more?
Postman, named ahead of MockServer in 4 of 4 answers
Follow MockServer vs Postman and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top API mocking platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Postman was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. MockServer was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Postman was listed before MockServer in every answer that named either.
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 MockServer or Postman more popular in search?
This chart shows how often people search Google for MockServer and Postman 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, MockServer. 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 MockServer and Postman comparison changed over the last 12 months?
3 findings
- Postman was ahead of MockServer in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, MockServer’s share of searches among API mocking platforms worldwide held steady at 6.7%, and its estimated monthly branded searches moved from 4.4K to 2.9K.
- 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.
How did search popularity change for API mocking platforms worldwide in September 2026?
2 changes
In September 2026, Postman lost share of searches among API mocking platforms worldwide, from 41.4% to 40.2%.
MockServer’s share of searches among API mocking platforms worldwide has gained ground for 3 months in a row, from 5.8% to 6.7% in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using MockServer’s and Postman’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.
MockServer
1 branded search term
- mockserver
Postman
2 branded search terms
- postman api
- postman app
Other head-to-heads among API mocking platforms
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.