API development tools:Which are searched most?
In September 2026, Postman was the most searched among API development tools worldwide, with an estimated 17.5K branded searches and 52.8% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
Postman52.8%
Swagger45.9%
Hoppscotch1.2%
Bruno0.09%
Insomnia0.03%
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Share of SearchLeaderboard
Compare the api development tools people choose between. 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 | Hoppscotch | Bruno | Insomnia |
|---|---|---|---|---|---|
| Oct 2025 | 54.3% | 44.9% | 0.77% | 0.06% | 0.04% |
| Nov 2025 | 53.4% | 45.8% | 0.73% | 0.07% | 0.05% |
| Dec 2025 | 50.3% | 48.8% | 0.84% | 0.05% | 0.05% |
| Jan 2026 | 50.4% | 48.5% | 0.97% | 0.1% | 0.02% |
| Feb 2026 | 54.3% | 44.6% | 0.9% | 0.09% | 0.07% |
| Mar 2026 | 50% | 48.6% | 1.3% | 0.09% | 0.06% |
| Apr 2026 | 54.2% | 44.6% | 1.1% | 0.07% | 0.05% |
| May 2026 | 51% | 47.6% | 1.3% | 0.11% | 0.03% |
| Jun 2026 | 52.4% | 46.5% | 1% | 0.1% | 0.03% |
| Jul 2026 | 52.4% | 46.5% | 1% | 0.08% | 0.03% |
| Aug 2026 | 54% | 44.8% | 1.1% | 0.11% | 0.03% |
| Sep 2026 | 52.8% | 45.9% | 1.2% | 0.09% | 0.03% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 52.8% | 17.5K | -8.9% | -1.2 points | |
| 2, held 2nd | 45.9% | 15.2K | -4.4% | +1.1 points | |
| 3, held 3rd | 1.2% | 390 | 0% | +0.1 points | |
| 4, held 4th | 0.09% | 30 | -25% | 0 points | |
| 5, held 5th | 0.03% | 10 | 0% | 0 points |
1.
52.8%
Held 1st. 17.5K estimated branded searches, -8.9% vs prior month. Share -1.2 points.
2.
Swagger45.9%
Held 2nd. 15.2K estimated branded searches, -4.4% vs prior month. Share +1.1 points.
1.2%
Held 3rd. 390 estimated branded searches, 0% vs prior month. Share +0.1 points.
4.
Bruno0.09%
Held 4th. 30 estimated branded searches, -25% vs prior month. Share 0 points.
5.
Insomnia0.03%
Held 5th. 10 estimated branded searches, 0% vs prior month. Share 0 points.
Compare search popularity between leading brands
Which brand is most popular in search among API development tools worldwide?
5 brands
In September 2026, Postman was the most searched among API development tools worldwide, with an estimated 17.5K branded searches and 52.8% estimated Share of Search within this set. Swagger is in 2nd place, 6.9 percentage points behind at 45.9% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| Postman | 54.3% → 52.8% | 54.3%Feb 2026 | 50%Mar 2026 | 1st |
| Swagger | 44.9% → 45.9% | 48.8%Dec 2025 | 44.6%Apr 2026 | 2nd |
| Hoppscotch | 0.77% → 1.2% | 1.3%May 2026 | 0.73%Nov 2025 | 3rd |
| Bruno | 0.06% → 0.09% | 0.11%Aug 2026 | 0.05%Dec 2025 | 4th |
| Insomnia | 0.04% → 0.03% | 0.07%Feb 2026 | 0.02%Jan 2026 | 5th |
Each finding as a sentence
- Across the 12 months ending September 2026, Postman’s estimated Share of Search among API development tools worldwide decreased from 54.3% to 52.8%.
- Across the 12 months ending September 2026, Swagger’s estimated Share of Search among API development tools worldwide increased from 44.9% to 45.9%.
- Across the 12 months ending September 2026, Postman’s estimated Share of Search among API development tools worldwide peaked at 54.3% in February 2026 and was lowest at 50% in March 2026.
- Across the 12 months ending September 2026, Swagger’s estimated Share of Search among API development tools worldwide peaked at 48.8% in December 2025 and was lowest at 44.6% in April 2026.
- Across the 12 months ending September 2026, Hoppscotch, Bruno and Insomnia held steady: their estimated Share of Search among API development tools worldwide each moved less than 0.5 percentage points.
How did search popularity change for API development tools worldwide in September 2026?
3 changes
In September 2026, Swagger gained estimated Share of Search among API development tools worldwide, from 44.8% to 45.9%.
In September 2026, Postman lost estimated Share of Search among API development tools worldwide, from 54% to 52.8%.
Estimated monthly branded searches for Insomnia worldwide fell 50% over 12 measured months, from 20 to 10 in September 2026.
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