Comparison

curl vs Swagger UI

No clear leader: curl (70.8) and Swagger UI (68.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
curl71
Swagger UI69
Score
Vioscale score
curl71 / 100medium · 50%
Swagger UI69 / 100medium · 69%
Pricing
Free tier
curl
Swagger UI
Model
Swagger UIcommercial
Price level
curlfree
Swagger UImid
Transparent
curl
Swagger UI
Integrations
Count
curl
Swagger UI3
Adoption
Dependent repos
curl3,409
Swagger UI60,531
Github stars
curl42,687
Swagger UI28,989
Package downloads weekly
curl
Swagger UI156,659
Activity
Commits last 30d
curl100
Swagger UI49
Release
Cadence days
curl49
Swagger UI12
History
Swagger UI20 items
License
Spdx
curl
Swagger UIApache-2.0
Language
Primary
curlC
Swagger UIJavaScript

Capabilities

Feature-by-feature on the axes that matter for api development tools. “-” means undocumented, not absent.

Core
REST client
curl
Swagger UI
GraphQL support
curl-
Swagger UI-
gRPC support
curl-
Swagger UI-
Design
Mock servers
curl-
Swagger UI
Testing
Automated / contract testing
curl
Swagger UI
Collaboration
Team collaboration & sharing
curl-
Swagger UI
Docs
Doc generation
curl
Swagger UI
Standards
OpenAPI / spec import
curl-
Swagger UI
Ops
CI integration / CLI
curl
Swagger UI

What each one is

The product in its own terms, so the numbers below have context.

curl

An open-source solution available as both a command-line tool and embedded library, enabling network data transmission across billions of devices and applications worldwide.

Independently observed

Swagger UI

Swagger UI is a web-based tool that automatically generates interactive API documentation from OpenAPI definitions. It enables developers to visualize, test, and explore APIs with real-time validation and supports collaboration across teams through version control integration.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

curl

Open sourceFree tier
as of verify ↗

Swagger UI

from €21.20/moSubscriptionFree tier

From €21.20/user/month. Free tier available. Yearly billing offers 20% discount. Contact sales for Enterprise Plus.

  • Individual€21.20/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Codegen, editor, form-based editor, 5 domains)
    • Portal (1 public product with SmartBear branding)
    • Contract testing (10 contracts, 10 AI credits)
    • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Team€32.34/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Codegen, editor, form-based editor, 10 domains)
    • Portal (2 public products with SmartBear branding)
    • Contract testing (20 contracts, 10 AI credits per user, 1 System Account, 2 Webhooks)
    • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Enterprise€54.68/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Standardization, unlimited domains)
    • Portal (5 public products with SmartBear branding)
    • Contract testing (50 contracts, 10 AI credits per user, 1 System Account, 50 Webhooks, RBAC)
    • Functional testing (100 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Enterprise PlusContact sales
    • Catalog
    • Studio (Standardization, unlimited domains, custom API templates)
    • Portal (Unlimited public and private products with full customization)
    • Contract testing (Unlimited contracts, 30 AI credits per user, Unlimited System Accounts, Unlimited Webhooks, RBAC)
    • Functional testing (Unlimited test executions, test automation, CI/CD integration, assertions, reporting, sequential & parallel testing)
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
curl
Swagger UI
iOS
curl
Swagger UI
Windows
curl
Swagger UI
Linux
curl
Swagger UI
CLI
curl
Swagger UI
Deployment
Cloud / SaaS
curl
Swagger UI
Self-hosted
curl
Swagger UI

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

curl

Not documented yet.

Swagger UI

3 total
  • GitHub
  • GitLab
  • BitBucket
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.