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SPECIFICTION
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httpYac vs Postman

httpYac

httpyac.github.io

Postman

postman.com

Side by side

FigurehttpYacPostman
Price fromFree$9/mo
Free planYesYes
Free trial—Yes
Open source——
Web—Yes
Windows—Yes
macOS—Yes
Linux—Yes
Self-hostedYes—
Plans published14
Spec score · API clients8.5 (#15)9.0 (#7)
Free planYesYes
GraphQL supportYesYes
IntegrationsThe request language supports GraphQL, WebSocket, MQTT and AMQP examples in addition to HTTP requests.Listed integrations include Jira, Slack, 1Password Vault, Amazon API Gateway, AWS Secrets Manager, GitHub, GitLab, Microsoft Teams, and VS Code.
Available platformsdesktopPostman offers a web version and desktop downloads for Windows, macOS, and Linux, plus a VS Code extension and browser extensions for Chrome, Safari, Edge, and Firefox.
SupportThe official documentation provides examples, troubleshooting, plugin development guidance and an API reference.Premium Support is an Enterprise-only add-on with contractual SLAs, 24/7 global coverage, a priority queue, and premium phone, screen-sharing, and chat channels.

Plans

httpYac

  • FreeFree

httpYac pricing →

Postman

  • FreeFree
  • Solo$9 a month
  • Team$19 a month
  • EnterprisePriced on request

Postman pricing →

In their own words

httpYac

httpYac has no write-up on Specifiction yet; its figures are above.

Visit httpyac.github.io

Postman

Postman is a platform for building, exercising, sharing, documenting, and monitoring APIs. Its API client handles multiple protocols and includes authentication, response inspection and visualization, variables, environments, and request history. For API design, it supports specifications, mock servers, importing definitions, multiple definition formats, and third-party integrations. Testing options include collection runs and automated, integration, performance, regression, and end-to-end testing, with Postman CLI also available. Listed integrations include Jira, Slack, GitHub, GitLab, Microsoft Teams, VS Code, Amazon API Gateway, AWS Secrets Manager, and 1Password Vault. Postman describes local secret protection, cloud detection, runtime resolution, and connections to secret-management services. Its stated compliance credentials include SOC 2 Type II, PCI DSS, HIPAA, GDPR, and others. It says customer data is not used to train its models and Enterprise teams control AI access and usage. The Free plan includes 50 AI credits. Solo is $9 a month, billed annually. Basic and Professional plans are closed to new customers; existing Professional customers retain their current plan and pricing.

Visit postman.com