Best API Clients in 2026
Updated
In short: Apidog is ranked #1 of 35 as of 3 October 2026, ahead of Bruno and Hoppscotch. The best-ranked option with a free plan is Bruno. The lowest first paid tier on this page is Bruno at $0.50/mo.
Building and debugging against APIs often means sending requests, checking responses, and repeating tests across protocols. Compare documentation and automated test runs, then check GraphQL, gRPC, and WebSocket support against the interfaces you work with. Platform availability and team workspaces can affect fit across devices and collaborators; free-plan access and paid-from pricing round out the comparison. Apidog opens the entries, followed by Bruno and Hoppscotch, with Postman, Insomnia, Requestly, SoapUI, and Testfully also near the top. The ranking gives an order to review, while the criteria help you focus on protocol coverage, collaboration, and the platforms your workflow needs.
35 api clients ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | GraphQL support | |
|---|---|---|---|---|---|---|---|---|
| 1 | Apidog | 8.8 | RecognisedAPIDocumented | $2.25/mo | Yes | $9/user/mo | Yes | View |
| 2 | Bruno | 8.7 | RecognisedAPIDocumented | $0.50/mo | Yes | $6/user/mo | Yes | View |
| 3 | Hoppscotch | 8.4 | RecognisedAPIDocumented | $6/mo | Yes | $6/user/mo | Yes | View |
| 4 | Postman | 7.4 | RecognisedAPIDocumented | $9/mo | Yes | — | Yes | View |
| 5 | Insomnia | 7.2 | RecognisedAPIDocumented | $12/mo | Yes | $12/user/mo | Yes | View |
| 6 | Requestly | 7.2 | RecognisedAPIDocumented | $10/mo | No | $10/user/mo | Yes | View |
| 7 | SoapUI | 7.1 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 8 |  Testfully | 7.1 | RecognisedAPIDocumented | $1.17/mo | Yes | $14/user/mo | Yes | View |
| 9 |  Kreya | 6.9 | RecognisedAPIDocumented | $5/mo | Yes | $5/user/mo | Yes | View |
| 10 | OpenReq | 6.9 | RecognisedAPIDocumented | Free | Yes | Free | Yes | View |
| 11 | httpYac | 6.7 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 12 | Vegha | 6.6 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 13 | Thunder Client | 6.5 | RecognisedAPIDocumented | $3/mo | Yes | $3/user/mo | — | View |
| 14 |  Altair GraphQL Client | 6.5 | RecognisedAPIDocumented | — | Yes | $7.99/user/mo | Yes | View |
| 15 | ReadyAPI | 6.4 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 16 | Yaak | 6.3 | RecognisedAPIDocumented | $6.58/mo | Yes | — | Yes | View |
| 17 | RESTK | 6.3 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 18 |  HTTPie | 6.2 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 19 |  Insomnium | 6.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 20 | Chapar | 6.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 21 | Hurl | 5.8 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 22 | curl | 5.7 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 23 |  grpcui | 5.7 | RecognisedAPIDocumented | Free | Yes | — | No | View |
| 24 | API Dash | 5.6 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 25 | Restish | 5.5 | RecognisedAPIDocumented | — | Yes | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which api client is ranked first on Inferse?
Apidog is ranked #1 of 35 with a score of 8.8. Bruno is second and Hoppscotch third.
How many of these have a free plan?
15 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Bruno has the lowest first paid tier we found: $0.50/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.