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APIs · head to head

Hoppscotch vs TinyLetter

Hoppscotch logo

Hoppscotch

APIs

Open-source API development ecosystem with web-based REST client

From
Free
Rated
-
Full reviewWebsite
TinyLetter logo

TinyLetter

News

The simplest way to send newsletters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Hoppscotch open-source project with no published commercial support plans or pricing; TinyLetter tinyLetter merged into Mailchimp; no longer offered as standalone product
  • They diverge on capability: Hoppscotch covers REST Client, TinyLetter covers Newsletter publishing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Hoppscotch and TinyLetter actually diverge.

Attributes where Hoppscotch and TinyLetter differ
AttributeHoppscotchTinyLetter
Pricing modelfreemiumsubscription
PlatformsWeb, Desktop, Self-hostedWeb
CategoryAPIsNews
Founded20192011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Hoppscotch

  • REST Client
  • WebSocket
  • gRPC Client
  • GitHub
  • Documentation tools
  • CI/CD
  • Desktop support
  • Self-hosted support

Only in TinyLetter

  • Newsletter publishing
  • Email templates
  • Subscriber management
  • Archive creation
  • Email delivery
  • Simple editor
  • Twitter
  • Facebook

Both cover

  • Web support

What people use each for

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

Hoppscotch

  • API Developmentnot TinyLetter
  • API Gatewaynot TinyLetter
  • API Testingnot TinyLetter
  • API Documentationnot TinyLetter
  • Microservicesnot TinyLetter

TinyLetter

  • Email newsletter distribution to subscribersnot Hoppscotch
  • Automated email marketing campaignsnot Hoppscotch
  • Customer communication and engagementnot Hoppscotch
  • E-commerce order notification systemsnot Hoppscotch

Where each one falls short

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

Hoppscotch

  • Open-source project with no published commercial support plans or pricing
  • No official enterprise tier or SLA information disclosed

TinyLetter

  • TinyLetter merged into Mailchimp; no longer offered as standalone product
  • Free tier limited to 250 contacts maximum
  • Pricing varies significantly by contact volume tiers
  • Premium plan at $350/month may be cost-prohibitive for small newsletters

Pricing, plan by plan

Hoppscotch

Free
  • Open SourceFree
    • Full REST client
    • WebSocket support
    • Community
  • Teams$8/monthly
    • Team collaboration
    • Cloud sync
    • Priority support

TinyLetter

Free
  • FreeFree
    • Up to 250 contacts
    • Basic email campaigns
    • Customer insights
  • Essentials$13/month
    • A/B testing
    • Scheduling
    • Limited templates
  • Standard$20/month
    • Automations
    • Personalization
    • Generative AI
  • Premium$350/month
    • Phone support
    • Priority support
    • Multivariate testing

Which should you pick?

Choose Hoppscotch if

  • You need rest client.
  • You want to start without paying.
  • You work on Web, Desktop, Self-hosted.
  • You also want websocket.
Hoppscotch review

Choose TinyLetter if

  • You need newsletter publishing.
  • You want to start without paying.
  • You also want email templates.
TinyLetter review

Questions people ask

Is Hoppscotch or TinyLetter better?
Neither clearly leads. Hoppscotch starts at Free and TinyLetter at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Hoppscotch or TinyLetter?
Hoppscotch starts at Free and TinyLetter at Free.
Does Hoppscotch or TinyLetter run on more platforms?
Hoppscotch runs on Web, Desktop, Self-hosted. TinyLetter runs on Web.
Can I use Hoppscotch for free?
Both have a free tier, so you can try either at no cost before committing.
What is Hoppscotch best used for?
Hoppscotch is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what TinyLetter is typically brought in for.
What can Hoppscotch do that TinyLetter cannot?
Hoppscotch covers REST Client, WebSocket, gRPC Client, GitHub. TinyLetter covers Newsletter publishing, Email templates, Subscriber management, Archive creation. Both handle Web support.

Answered from the vendors’ own pages

Hoppscotch: Is Hoppscotch free to use for API development?

Yes, Hoppscotch is a completely free, open-source API development ecosystem. There are no subscription fees, license costs, or registration requirements to access the core platform.

Source
TinyLetter: Is TinyLetter still available separately?

No, TinyLetter has been merged into Mailchimp and is no longer offered as a standalone product. Existing TinyLetter users were migrated to Mailchimp's marketing platform.

Source
Hoppscotch: Can I deploy Hoppscotch on my own infrastructure?

As an open-source project, Hoppscotch can be self-hosted and deployed on your own infrastructure. The source code is available for customization and deployment in private environments.

Source
TinyLetter: Does Mailchimp offer a free email plan?

Yes, Mailchimp's free plan supports up to 250 contacts and allows you to create email campaigns and learn customer insights at no cost.

Source
TinyLetter: What discounts does Mailchimp offer for annual billing?

Mailchimp offers 15% off the first 12 months for accounts with 10,000 or more contacts.

Source
TinyLetter: Is there a free trial available for Mailchimp's paid plans?

Yes, a 14-day free trial is available for Standard and Essentials plans without requiring a credit card for the first 100 emails.

Source
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