API Testing and Development Tools in AI answers

Data as of Oct 22, 2026Based on 134 AI responsesReviewed by Dimitry Apollonsky

AI summary

Postman holds a wide lead across API testing and development queries, frequently cited for end-to-end automation, team collaboration, and full lifecycle workflows. When developers specifically need to convert REST APIs to GraphQL with minimal manual work, Stepzen is the usual answer instead.

Most-mentioned brands

Rank and Mentioned in · since Jul 6

#	Brand	Mentioned in	Recommended for
1	Postman 63% broad API lifecycle workflows, shared workspaces, and automated collection testing	63%	broad API lifecycle workflows, shared workspaces, and automated collection testing
2	Bruno 40% local-first, Git-native API collections stored as plain-text files	40%	local-first, Git-native API collections stored as plain-text files
2	REST-assured 39% Java back-end teams writing tests as code alongside JUnit	39%	Java back-end teams writing tests as code alongside JUnit
2	Insomnia 34% lightweight API exploration with built-in GraphQL introspection and Git sync	34%	lightweight API exploration with built-in GraphQL introspection and Git sync
5	Playwright Microsoft product line 30% end-to-end test orchestration across web and API endpoints	30%	end-to-end test orchestration across web and API endpoints
5	k6 26% developer-centric performance and load testing for APIs	26%	developer-centric performance and load testing for APIs
5	Newman 25% running Postman collections directly from the command line	25%	running Postman collections directly from the command line
5	Stepzen 23% converting existing REST APIs into GraphQL with minimal manual work	23%	converting existing REST APIs into GraphQL with minimal manual work
9	Hasura 19%	19%
9	GraphQL Mesh The Guild product line 18%	18%
9	Schemathesis 14% property-based and schema-driven automated API testing	14%	property-based and schema-driven automated API testing
12	Karate Labs 10% unified API testing, test automation, and performance frameworks	10%	unified API testing, test automation, and performance frameworks
12	Apollo GraphQL 10%	10%
12	pytest 10%	10%
12	OpenAPI-to-GraphQL 8%	8%
12	Hoppscotch 8%	8%
12	Apache JMeter Apache Software Foundation product line 7%	7%
12	swagger-to-graphql 7%	7%
12	REST2GraphQL.io 7%	7%
12	SoapUI 6%	6%
12	Thunder Client 6%	6%
22	IBM 4%	4%
22	IBM API Connect for GraphQL Stepzen product line 4%	4%
22	GitHub Actions GitHub product line 4%	4%
22	Httpie 4%	4%
22	Hurl 4%	4%
22	Jest 4%	4%
22	rest-to-graphql 3%	3%
22	Apidog 3%	3%
22	GitLab CI GitLab product line 3%	3%
22	Postman CLI Postman product line 3%	3%
22	Jenkins 3%	3%
22	Katalon Studio Katalon product line 3%	3%
22	Cypress 3%	3%
22	Tavern 3%	3%
22	Supertest 3%	3%
22	Requests 2%	2%
22	HTTPX 2%	2%
22	Pact 2%	2%
22	graphql-rest-proxy 1%	1%
22	JUnit 1%	1%
22	PactumJS 1%	1%
22	Grafana OSS Grafana product line 1%	1%
22	Apollo Router Apollo GraphQL product line 1%	1%
45	Karate 1%	1%
45	Graphile 1%	1%
45	Github Karatelabs 1%	1%
45	Collection Runner Postman product line 1%	1%
45	The Guild 1%	1%
45	Inso Insomnia product line 1%	1%
45	Postbot Postman product line 1%	1%
45	Tyk Gateway Tyk product line 1%	1%
45	GraphQL 1%	1%
45	Hypothesis · hypothesis.works 1%	1%
45	GraphQLify 1%	1%
45	Hypothesis · hypothes.is 1%	1%
45	Apollo GraphOS Apollo GraphQL product line 1%	1%
45	Tyk 1%	1%
45	zod 1%	1%
45	Workik 1%	1%
45	Virtuoso QA 1%	1%
45	Azure DevOps Microsoft product line 1%	1%
45	APIMatic 1%	1%
45	OpenAPI 1%	1%
45	GraphQL Portal 1%	1%
45	OrchestAPI 1%	1%
45	Step CI 1%	1%
45	TestNG 1%	1%
45	Firecamp 1%	1%
45	Testsigma 1%	1%
45	AWS AppSync Amazon product line 1%	1%
45	Grafana 1%	1%
45	curl 1%	1%
45	ReqNest 1%	1%
45	Testfully 1%	1%
45	Hoop 1%	1%
45	Katalon 1%	1%
45	graphql-request 1%	1%
45	Parasoft SOAtest Parasoft product line 1%	1%
45	Testcontainers 1%	1%
45	Gatling 1%	1%
45	Vitest 1%	1%
45	Artillery 1%	1%
45	Visual Studio Code Microsoft product line 1%	1%
45	Visual Studio Marketplace 1%	1%
45	Dredd 1%	1%
45	OWASP Zed Attack Proxy (ZAP)1%	1%

Who leads each AI engine

ChatGPT SearchChatGPT Search: Postman
Google AI ModeGoogle AI Mode: Postman

Mentioned in on each engineChatGPT SearchGoogle AI Mode

Widest split: Stepzen, 15% on ChatGPT Search and 32% on Google AI Mode.

Mentioned in on each AI engine, by brand
Brand	ChatGPT Search	Google AI Mode
Postman	68%	59%
Bruno	47%	32%
REST-assured	35%	42%
Insomnia	41%	27%
Newman	18%	33%
Playwright	35%	24%
Stepzen	15%	32%
k6	28%	24%
Schemathesis	21%	8%
GraphQL Mesh	12%	24%

Questions and answers

Which tool converts REST APIs to GraphQL with minimal manual work?
I'm a back-end developer looking for the best API testing tool. What are the key features to compare?
Best API test orchestration for REST and GraphQL?

Sources AI cites99

29% of citations point at the ranked brands’ own sites. youtube.com, reddit.com, dev.to are the most-cited sites outside the ranked brands’ own domains.

API Testing and Development Tools in AI answers

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Most-mentioned brands

Questions and answers

Sources AI cites99

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