Postman vs Swagger:Which is more popular by branded search?
In August 2026, Postman had more branded searches than Swagger among API documentation tools worldwide. Postman was estimated to have 846K branded searches compared to Swagger’s 201K, and held a 78.3% Share of Search versus Swagger’s 18.6%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Postman or Swagger?
Compare the api documentation tools teams use. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Postman, Swagger. The figures are in the table below the chart.
View monthly share of search table
| Month | Postman | Swagger | Mintlify | Redocly | ReadMe | Stoplight |
|---|---|---|---|---|---|---|
| Oct 2025 | 81.5% | 16% | 1.8% | 0.53% | 0.08% | 0.05% |
| Nov 2025 | 78.8% | 18.9% | 1.7% | 0.51% | 0.08% | 0.05% |
| Dec 2025 | 78.4% | 18.8% | 2.1% | 0.51% | 0.08% | 0.04% |
| Jan 2026 | 75.3% | 22.1% | 2% | 0.49% | 0.08% | 0.05% |
| Feb 2026 | 78.8% | 18.9% | 1.7% | 0.51% | 0.09% | 0.05% |
| Mar 2026 | 78.4% | 18.8% | 2.1% | 0.62% | 0.09% | 0.06% |
| Apr 2026 | 78.1% | 18.7% | 2.5% | 0.5% | 0.08% | 0.05% |
| May 2026 | 78.5% | 18.7% | 2.1% | 0.62% | 0.09% | 0.06% |
| Jun 2026 | 77.8% | 18.5% | 3.1% | 0.5% | 0.09% | 0.05% |
| Jul 2026 | 78.3% | 18.6% | 2.5% | 0.5% | 0.08% | 0.04% |
| Aug 2026 | 78.3% | 18.6% | 2.5% | 0.5% | 0.06% | 0.03% |
| Sep 2026 | — | — | — | — | — | — |
How has the Postman and Swagger comparison changed over the last 12 months?
3 findings
- Postman was ahead of Swagger in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Postman’s estimated Share of Search among API documentation tools worldwide moved from 81.5% to 78.3%, and its estimated monthly branded searches moved from 1.3M to 846K.
- Across the 11 months ending August 2026, Swagger’s estimated Share of Search among API documentation tools worldwide moved from 16% to 18.6%, and its estimated monthly branded searches moved from 246K to 201K.
How did search popularity change for API documentation tools worldwide in August 2026?
2 changes
How each brand is measured
Brandwave collects information about searches that people make online using Postman’s and Swagger’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.
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.