Brandwave

Postman vs Thunder Client:Which is more popular?

In September 2026, Postman had more branded searches than Thunder Client among API clients worldwide. Postman had about 17,500 branded searches, while Thunder Client had 5,400. Postman made up 58.1% of all API client searches we track, and Thunder Client accounted for 17.9%. When we asked ChatGPT and Google AI Overviews about API clients, Postman appeared in all five answers and Thunder Client in three. Postman was mentioned before Thunder Client in every answer.

Among API clients worldwide in September 2026

Who do people search for more?

Postman, about 3 searches for every 1 for Thunder Client

Postman 17.5K searchesThunder Client 5.4K searches

Who does AI mention more?

Postman, mentioned in every answer we collected

Postman in 5 of 5Thunder Client in 3 of 5

Who does AI recommend more?

Postman, named ahead of Thunder Client in every answer

Postman first in 5Thunder Client never first

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Top API clients in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Postman appeared in all five answers. Thunder Client was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Postman was listed before Thunder Client in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Postman1st
  2. Bruno2nd
  3. Insomnia3rd
  4. HTTPie4th
  5. Hoppscotch5th
  6. Thunder Client6th
  7. Paw–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Postman5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Bruno5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Insomnia5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • HTTPie3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Thunder Client3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Hoppscotch3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Paw0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about API clients

5 answers

Not named in any answer:

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 Thunder Client more popular in search?

This chart shows how often people search Google for Postman and Thunder Client by name. Each line represents a brand's share of searches for all seven API clients we track, month by month, from English-language searches worldwide.

Postman and Thunder Client among API clients worldwide, by month

Share of searches by month for Postman, Thunder Client. The figures are in the table below the chart.

View monthly share of searches table
MonthPostmanHTTPieThunder ClientHoppscotchPawBrunoInsomnia
Oct 202551.9%34%12.4%0.73%0.9%0.06%0.04%
Nov 202551.4%32.4%14.4%0.7%1%0.07%0.04%
Dec 202549.7%31.3%17.1%0.83%0.96%0.05%0.05%
Jan 202650.8%30.4%16.6%0.98%1%0.1%0.03%
Feb 202652.8%27.2%18.2%0.88%0.81%0.09%0.07%
Mar 202650.5%26%21.3%1.3%0.73%0.09%0.06%
Apr 202655.5%23.4%19.1%1.1%0.76%0.07%0.05%
May 202650.6%26.1%21.3%1.3%0.61%0.11%0.03%
Jun 202656.7%22.8%18.5%1.1%0.73%0.11%0.03%
Jul 202656.8%22.8%18.6%1.1%0.67%0.08%0.03%
Aug 202658.1%20%20%1.2%0.67%0.12%0.03%
Sep 202658.1%21.9%17.9%1.3%0.7%0.1%0.03%

How has the Postman and Thunder Client comparison changed over the last 12 months?

3 findings
  • Postman was ahead of Thunder Client 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 clients worldwide moved from 51.9% to 58.1%, and its estimated monthly branded searches moved from 27.6K to 17.5K.
  • Across the 12 months ending September 2026, Thunder Client’s share of searches among API clients worldwide moved from 12.4% to 17.9%, and its estimated monthly branded searches moved from 6.6K to 5.4K.

How did search popularity change for API clients worldwide in September 2026?

2 changes

  1. In September 2026, Thunder Client lost share of searches among API clients worldwide, from 20% to 17.9%.

  2. Estimated monthly branded searches for Postman worldwide fell 36.6% over 12 measured months, from 27.6K to 17.5K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Postman’s and Thunder Client’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.

Postman

2 branded search terms

  • postman api
  • postman app

Thunder Client

1 branded search term

  • thunder client

How the Brand Demand Index is measured

Other head-to-heads among API clients

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