Comparison

Fiddler vs Swagger UI

On the evidence we track, Swagger UI leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Fiddler49
Swagger UI69
Score
Vioscale score
Fiddler49 / 100medium · 60%
Swagger UI69 / 100medium · 69%
Pricing
Free tier
Fiddler
Swagger UI
Model
Fiddlerfreemium
Swagger UIcommercial
Price level
Fiddlerlow
Swagger UImid
Transparent
Fiddler
Swagger UI
Integrations
Count
Fiddler
Swagger UI3
Security
Disclosure policy
Fiddler
Swagger UI
Fedramp
Fiddler
Swagger UI
Gdpr
Fiddler
Swagger UI
Hipaa
Fiddler
Swagger UI
Scorecard
Fiddler
Swagger UI7.4
Soc2
Fiddler
Swagger UI
Reliability
Status page
Fiddler
Swagger UI
Adoption
Dependent repos
Fiddler
Swagger UI60,531
Github stars
Fiddler
Swagger UI28,989
Package downloads weekly
Fiddler
Swagger UI156,659
Activity
Commits last 30d
Fiddler
Swagger UI49
Release
Cadence days
Fiddler
Swagger UI12
History
Fiddler
Swagger UI20 items
License
Spdx
Fiddler
Swagger UIApache-2.0
Language
Primary
Fiddler
Swagger UIJavaScript
Market

Capabilities

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

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

What each one is

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

Fiddler

A web debugging proxy that captures, inspects, and modifies HTTP/HTTPS traffic to help developers troubleshoot application problems when logs across systems are conflicting or unclear

Independently observed

Swagger UI

Leader

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.

Fiddler

Free tier
as of verify ↗

Swagger UI

Leader
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
Fiddler
Swagger UI
macOS
Fiddler
Swagger UI
Windows
Fiddler
Swagger UI
Linux
Fiddler
Swagger UI
Deployment
Cloud / SaaS
Fiddler
Swagger UI
Self-hosted
Fiddler
Swagger UI

Integrations

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

Fiddler

Not documented yet.

Swagger UI

Leader
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.