Brandwave

API documentation tools:Which brands are most popular in search?

In August 2026, Postman was the most searched among API documentation tools worldwide, with an estimated 846K branded searches and 78.3% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Postman78.3%
  2. Swagger18.6%
  3. Mintlify2.5%
  4. Redocly0.5%
  5. ReadMe0.06%
  6. Stoplight0.03%

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Share of SearchLeaderboard

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 among API documentation tools worldwide, by month

Share of Search by month for Postman, Swagger, Mintlify. The figures are in the table below the chart.

View monthly share of search table
MonthPostmanSwaggerMintlifyRedoclyReadMeStoplight
Oct 202581.5%16%1.8%0.53%0.08%0.05%
Nov 202578.8%18.9%1.7%0.51%0.08%0.05%
Dec 202578.4%18.8%2.1%0.51%0.08%0.04%
Jan 202675.3%22.1%2%0.49%0.08%0.05%
Feb 202678.8%18.9%1.7%0.51%0.09%0.05%
Mar 202678.4%18.8%2.1%0.62%0.09%0.06%
Apr 202678.1%18.7%2.5%0.5%0.08%0.05%
May 202678.5%18.7%2.1%0.62%0.09%0.06%
Jun 202677.8%18.5%3.1%0.5%0.09%0.05%
Jul 202678.3%18.6%2.5%0.5%0.08%0.04%
Aug 202678.3%18.6%2.5%0.5%0.06%0.03%
Sep 2026——————

This month’s ranking, August 2026

  1. 1.Postman

    78.3%

    Held 1st. 846K estimated branded searches, 0% vs prior month. Share 0 points.

  2. 2.Swagger

    18.6%

    Held 2nd. 201K estimated branded searches, 0% vs prior month. Share 0 points.

  3. 3.Mintlify

    2.5%

    Held 3rd. 27.3K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Redocly

    0.5%

    Held 4th. 5.4K estimated branded searches, -0.37% vs prior month. Share 0 points.

  5. 5.ReadMe

    0.06%

    Held 5th. 660 estimated branded searches, -19.5% vs prior month. Share 0 points.

  6. 6.Stoplight

    0.03%

    Held 6th. 320 estimated branded searches, -27.3% vs prior month. Share 0 points.

Compare search popularity between leading brands

Which brand is most popular in search among API documentation tools worldwide?

In August 2026, Postman was the most searched among API documentation tools worldwide, with an estimated 846K branded searches and 78.3% estimated Share of Search within this set. Swagger is in 2nd place, 59.7 percentage points behind at 18.6% Share of Search.

Global API documentation tools, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Postman81.5% → 78.3%81.5%Oct 202575.3%Jan 20261st
Swagger16% → 18.6%22.1%Jan 202616%Oct 20252nd
Mintlify1.8% → 2.5%3.1%Jun 20261.7%Nov 20253rd
Redocly0.53% → 0.5%0.62%Mar 20260.49%Jan 20264th
ReadMe0.08% → 0.06%0.09%Feb 20260.06%Aug 20265th
Stoplight0.05% → 0.03%0.06%May 20260.03%Aug 20266th

Each finding as a sentence

  • Across the 11 months ending August 2026, Postman’s estimated Share of Search among API documentation tools worldwide decreased from 81.5% to 78.3%.
  • Across the 11 months ending August 2026, Swagger’s estimated Share of Search among API documentation tools worldwide increased from 16% to 18.6%.
  • Across the 11 months ending August 2026, Mintlify’s estimated Share of Search among API documentation tools worldwide increased from 1.8% to 2.5%.
  • Across the 11 months ending August 2026, Postman’s estimated Share of Search among API documentation tools worldwide peaked at 81.5% in October 2025 and was lowest at 75.3% in January 2026.
  • Across the 11 months ending August 2026, Swagger’s estimated Share of Search among API documentation tools worldwide peaked at 22.1% in January 2026 and was lowest at 16% in October 2025.
  • Across the 11 months ending August 2026, Mintlify’s estimated Share of Search among API documentation tools worldwide peaked at 3.1% in June 2026 and was lowest at 1.7% in November 2025.
  • Across the 11 months ending August 2026, Redocly, ReadMe and Stoplight held steady: their estimated Share of Search among API documentation tools worldwide each moved less than 0.5 percentage points.

How did search popularity change for API documentation tools worldwide in August 2026?

  1. Estimated monthly branded searches for Stoplight worldwide fell 59% over 11 measured months, from 780 to 320 in August 2026.

  2. Estimated monthly branded searches for ReadMe worldwide fell 47.6% over 11 measured months, from 1.3K to 660 in August 2026.

  3. Estimated monthly branded searches for Redocly worldwide fell 33.3% over 11 measured months, from 8.1K to 5.4K in August 2026.

  4. Estimated monthly branded searches for Postman worldwide fell 32.4% over 11 measured months, from 1.3M to 846K in August 2026.

  5. Estimated monthly branded searches for Swagger worldwide fell 18.3% over 11 measured months, from 246K to 201K in August 2026.

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