Developer Tools

Best Apis in 2026

01 Amazon API Gateway
It suits teams building APIs for AWS-connected applications, especially those needing multiple API types, traffic controls, and monitoring.

From $1/mo Free plan Web · iOS · Android · API
9.4 Visit Specs
02 Apidog
Apidog suits teams that need to design and test APIs from specifications, automate request sequences, or work with Postman data.

From $9/mo Free plan Web · Windows · macOS · Linux
9.4 Visit Specs
03 ReadyAPI
Free trial Web · Windows · macOS · Linux
8.7 Visit Specs
04 Scalar
Scalar suits development teams building and documenting APIs from OpenAPI documents, especially those using GitHub workflows.

From $150/mo Free plan Open source Web · Windows · macOS · Linux
8.7 Visit Specs
05 Google Cloud Endpoints
Endpoints suits teams managing APIs through Google Cloud that need access controls, monitoring, analytics, or quotas.

From $1.50/mo Free plan Web · macOS · Linux · API
8.4 Visit Specs
06 Insomnia
Insomnia suits developers and teams working across API design, testing, debugging, and mock generation.

From $12/mo Free plan Windows · macOS · Linux · Self-hosted
8.4 Visit Specs
07 Postman
Postman suits people designing, testing, documenting, or monitoring APIs, including teams that need collaboration, integrations, or API testing across multiple protocols.

From $9/mo Free plan Web · Windows · macOS · Linux
8.4 Visit Specs
08 Checkly
Checkly is intended for developers, SRE and platform teams, QA engineers, and engineering managers monitoring APIs or user interfaces.

From $24/mo Free plan Web · Linux · API
8.3 Visit Specs
09 Assertible
Assertible is aimed at QA professionals, developers, and people who operate web services.

From $25/mo Free plan Web · API
8.2 Visit Specs
10 Redocly
Redocly suits developers, technical writers, product managers, and executives working on API documentation and governance.

From $10/mo Free trial Web · API · Browser extension
8.2 Visit Specs
11 API7 Enterprise
Free trial Web · Linux · API · Self-hosted
8.1 Visit Specs
12 SwaggerHub
SwaggerHub suits API teams and cross-functional contributors who need shared design, documentation, testing, and governance tools.

From $61.67/mo Free plan Web · Self-hosted
7.9 Visit Specs
13 Kong Gateway
Free plan Web · Linux · API · Self-hosted
7.8 Visit Specs
14 Oracle Cloud Infrastructure Container Registry
Free plan Web · Linux · API
7.8 Visit Specs
15 Google Cloud API Gateway
From $1.50/mo Web · API
7.7 Visit Specs
16 KrakenD API Gateway
It suits teams that need a self-hosted gateway to connect APIs, control traffic, and compose service responses.

Free plan Windows · macOS · Linux · Self-hosted
7.7 Visit Specs
17 Apache APISIX
APISIX suits teams that need a self-managed gateway for APIs, microservices or LLM workloads.

Linux · API · Self-hosted
7.6 Visit Specs
18 Stoplight Elements
Elements suits developers who need self-hosted, embeddable API reference documentation from OpenAPI files.

Free plan Web · Self-hosted
7.3 Visit Specs
19 Tyk API Management
Core is described for startups and businesses launching an API platform; Professional is for high-growth teams.

Free trial Web · Linux · API · Self-hosted
7.3 Visit Specs
20 Gravitee API Management
From $2,500/mo Web · Windows · Linux
6.8 Visit Specs
21 Google Apigee
From $13/mo Web
6.7 Visit Specs
22 IBM API Connect
From $83/mo Web
6.5 Visit Specs
23 Azure API Management
Web
6.2 Visit Specs
24 F5 NGINX App Protect DoS
Linux
5.9 Visit Specs
25 MuleSoft Omni Gateway
Web · Linux
5.7 Visit Specs

How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Compare Amazon API Gateway and Apidog Get a place on this list

More in Developer ToolsThe whole topic →