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Documentation · head to head

Bump.sh vs ReadMe

Bump.sh logo

Bump.sh

Documentation

Hosted API documentation that diffs each new spec against the last and publishes a human readable changelog

From
On request
Rated
-
Full reviewWebsite
ReadMe logo

ReadMe

Documentation

Hosted developer hub priced per API project, with docs personalised from live request logs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only ReadMe has a free tier, so it costs nothing to try first.
  • Each has a real cost: Bump.sh the service is hosted only, so organisations that cannot send their API specification to a third party are excluded regardless of how well the diff works.; ReadMe pricing is per project, so an organisation with several distinct APIs multiplies the monthly bill rather than adding seats, and the sensible workaround, merging unrelated APIs into one documentation project, distorts the information architecture to fit the invoice.
  • They diverge on capability: Bump.sh covers Structural spec diff, ReadMe covers OpenAPI reference.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Bump.sh and ReadMe actually diverge.

Attributes where Bump.sh and ReadMe differ
AttributeBump.shReadMe
Starting priceOn requestFree
Pricing modelquotePer project per month
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Documentation).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bump.sh

  • Structural spec diff
  • Published changelog
  • AsyncAPI support
  • CI integration
  • Multi API hubs
  • Custom domain and branding
  • Access control

Only in ReadMe

  • OpenAPI reference
  • Try It playground
  • API metrics
  • Personalised docs
  • Versioning
  • Guides and recipes
  • Git sync via rdme
  • Changelog and support widget

What people use each for

The jobs each tool is most often brought in to do.

Bump.sh

  • A public API with paying consumers where an accidental breaking change carries contractual consequencesnot ReadMe
  • An event driven platform that needs AsyncAPI documentation rather than REST only toolingnot ReadMe
  • A pull request gate that must fail when a spec change breaks an existing clientnot ReadMe
  • A partner portal grouping several internal APIs behind access control on a custom domainnot ReadMe

ReadMe

  • Publishing a public API reference where a developer can send a live request with their own key from the documentation pagenot Bump.sh
  • Cutting support load by showing an integrating developer their own recent failing requests next to the endpoint descriptionnot Bump.sh
  • Keeping documentation versions aligned with API versions so customers on an older release read the matching referencenot Bump.sh
  • Shipping documentation from the same pull request as the code change using the rdme command line tool in CInot Bump.sh

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bump.sh

  • The service is hosted only, so organisations that cannot send their API specification to a third party are excluded regardless of how well the diff works.
  • Long form guides and tutorials are secondary to the reference, so most teams still run and pay for a second documentation site.
  • Diff quality depends on spec quality, and a specification generated loosely from code annotations produces noisy change reports that teams learn to ignore.
  • It is a small European vendor in a category where larger competitors bundle documentation with gateways and portals, so procurement at a large enterprise can take longer than the evaluation did.
  • Because pricing is not something a buyer can confirm without contact, budgeting for it early in a comparison is guesswork.

ReadMe

  • Pricing is per project, so an organisation with several distinct APIs multiplies the monthly bill rather than adding seats, and the sensible workaround, merging unrelated APIs into one documentation project, distorts the information architecture to fit the invoice.
  • The metrics and personalisation features require your API to stream request logs to ReadMe, which means production request metadata leaves your infrastructure and needs a scrubbing layer plus a security review before anything is switched on.
  • Single sign-on and private documentation sit on the higher tier, so a company that only needs to gate partner documentation behind SAML pays a large step up for one control.
  • The platform is built for describing REST APIs, and long-form product manuals, internal knowledge bases or non-OpenAPI protocols fit it badly, so most customers end up running a second documentation tool alongside it.
  • Theming is bounded by ReadMe templates and limited custom CSS, so a documentation site that must match a strongly designed marketing site will not get there without compromise.
  • Content uses ReadMe-specific Markdown extensions and platform features, so migrating away is an export plus a rewrite rather than moving a folder of Markdown files.

Pricing, plan by plan

Bump.sh

On request
  • Bump.sh$undefined/year
    • Hosted API documentation portal
    • Automatic breaking change detection
    • Consumer facing changelog

ReadMe

Free
  • FreeFree
    • One project on a ReadMe subdomain
    • OpenAPI reference and guides
    • Basic editing and publishing
  • Startup$99/month
    • One project
    • Custom domain
    • API metrics from request logs
  • Business$399/month
    • One project
    • SAML single sign-on
    • Private and partner-only documentation
  • Enterprise$undefined/year
    • Multiple projects under one contract
    • Negotiated support and uptime terms
    • Security review and custom deployment questions

Which should you pick?

Choose Bump.sh if

  • You need structural spec diff.
  • You also want published changelog.
Bump.sh review

Choose ReadMe if

  • You need openapi reference.
  • You want to start without paying.
  • You also want try it playground.
ReadMe review

Questions people ask

Is Bump.sh or ReadMe better?
Neither clearly leads. Bump.sh starts at On request and ReadMe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bump.sh or ReadMe?
ReadMe has a free tier; the other does not. Paid plans start at On request for Bump.sh and Free for ReadMe.
Does Bump.sh or ReadMe run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use ReadMe for free?
Yes. ReadMe has a free tier, so you can try it without paying. Bump.sh starts at On request.
What is Bump.sh best used for?
Bump.sh is most often used for a public api with paying consumers where an accidental breaking change carries contractual consequences, an event driven platform that needs asyncapi documentation rather than rest only tooling, a pull request gate that must fail when a spec change breaks an existing client, a partner portal grouping several internal apis behind access control on a custom domain. Of those, a public api with paying consumers where an accidental breaking change carries contractual consequences and an event driven platform that needs asyncapi documentation rather than rest only tooling are not what ReadMe is typically brought in for.
What can Bump.sh do that ReadMe cannot?
Bump.sh covers Structural spec diff, Published changelog, AsyncAPI support, CI integration. ReadMe covers OpenAPI reference, Try It playground, API metrics, Personalised docs.

Answered from the vendors’ own pages

Bump.sh: What does it do that a normal API docs renderer does not?

It compares each published spec with the previous one and tells you, and your consumers, exactly what changed and whether it breaks clients.

ReadMe: Is ReadMe priced per user?

No. It is priced per project, meaning per documented API. Team size does not change the bill, and a second API generally does.

Bump.sh: Does it support event driven APIs?

Yes. AsyncAPI is a first class input alongside OpenAPI, which is unusual in this category.

ReadMe: Do I have to send my API logs to ReadMe?

Only for metrics and personalised documentation. The reference, guides and playground work without it, but the features that most distinguish the product are the ones that need the log stream.

Bump.sh: Can I self host it?

No. It is a hosted service only.

ReadMe: Can I keep documentation in Git?

Yes. The rdme command line tool synchronises Markdown and OpenAPI files from a repository, so documentation can ship in the same pull request as the code.

Bump.sh: Can it block a merge?

Yes. The command line tool and GitHub action return a failure on a detected breaking change.

ReadMe: Can I self-host it?

No. ReadMe is a hosted product only, so buyers with a hard on-premises requirement need a different platform.

Bump.sh: Is it a full documentation site?

It is primarily reference and changelog. Plan on a separate generator for guides and conceptual content.

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