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APIs · head to head

Convoy vs Testsigma

Convoy logo

Convoy

APIs

Open source webhooks gateway you self-host, handling both sending and receiving

From
Free
Rated
-
Full reviewWebsite
Testsigma logo

Testsigma

Testing

Natural language test automation for web, mobile and API with a self hosted open source edition

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Convoy the default deployment is self-hosted, so you operate Convoy plus Postgres and Redis and carry the on-call burden for the system that delivers your customers' events.; Testsigma the natural language layer is a fixed vocabulary rather than real English, so testers spend the first weeks learning which phrasings the parser accepts, which is learning a language after all.
  • They diverge on capability: Convoy covers Inbound and outbound, Testsigma covers Natural language authoring.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Convoy and Testsigma actually diverge.

Attributes where Convoy and Testsigma differ
AttributeConvoyTestsigma
Pricing modelPer month, flat rate regardless of volumePer user per month
PlatformsLinux, Docker, Kubernetes, CloudWeb, iOS, Android, Linux
CategoryAPIsTesting

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 Convoy

  • Inbound and outbound
  • Broker-driven ingestion
  • Payload transformation
  • Portal links
  • Circuit breaking
  • Retry policies
  • OpenTelemetry export
  • Role-based access control

Only in Testsigma

  • Natural language authoring
  • Unified web, mobile and API tests
  • Self hosted community edition
  • Cloud device and browser grid
  • Data driven runs
  • Custom functions

What people use each for

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

Convoy

  • A fintech that cannot route customer webhook traffic through a third-party SaaS for compliance reasonsnot Testsigma
  • A high-volume platform for which per-message webhook pricing costs more than the flat premium licencenot Testsigma
  • A team that also receives webhooks from many providers and wants ingestion, verification and deduplication in the same gatewaynot Testsigma
  • An engineering group that wants webhook delivery driven directly from an existing Kafka or SQS topicnot Testsigma

Testsigma

  • A team maintaining separate Selenium and Appium suites that wants one place for web and native mobile coveragenot Convoy
  • Organisations that must keep test data and execution on premises for regulatory reasonsnot Convoy
  • QA groups with manual testers being asked to automate without first learning Javanot Convoy
  • Evaluating low code test automation properly before committing budget, by running the free edition against the real applicationnot Convoy

Where each one falls short

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

Convoy

  • The default deployment is self-hosted, so you operate Convoy plus Postgres and Redis and carry the on-call burden for the system that delivers your customers' events.
  • Frain Technologies is a small startup, and putting customer-facing delivery infrastructure on it means accepting real vendor continuity risk on a component that is hard to swap out quickly.
  • The premium tier at a flat 999 US dollars a month is poor value below substantial volume, while the community edition omits the portal, transformations and RBAC that most production deployments end up wanting.
  • The hosted cloud trial is capped at one project and 100 events a day, which is too small to properly evaluate the service before committing.
  • Documentation and the third-party ecosystem are thinner than the established webhook services, so unusual configurations often mean reading the Go source.

Testsigma

  • The natural language layer is a fixed vocabulary rather than real English, so testers spend the first weeks learning which phrasings the parser accepts, which is learning a language after all.
  • Anything conditional or arithmetic falls through to custom Java or JavaScript, and that code lives in the platform editor rather than your repository, where it gets no code review and no version history you control.
  • The community edition lags the cloud product and is not the version the vendor demonstrates, so a self hosted evaluation can understate or overstate what you would actually buy.
  • Cloud execution is billed separately from authoring seats, so a suite that grows from two hundred to two thousand tests changes the bill without anyone changing the plan.
  • Support and engineering are concentrated in Indian time zones, which slows incident turnaround for teams working in the Americas.

Pricing, plan by plan

Convoy

Free
  • CommunityFree
    • Self-hosted open source gateway
    • Inbound and outbound webhooks
    • Automatic retries and message broker support
  • Premium$999/month
    • Flat rate irrespective of message volume
    • Portal links and payload transformation
    • RBAC, circuit breaking and white labelling
  • Enterprise$undefined/year
    • SAML SSO
    • Dedicated support with SLA
    • On-premises deployment assistance
  • Cloud$undefined/month
    • Hosted by Convoy
    • 14 day trial limited to one project and 100 events a day
    • Usage-based tiers above the trial

Testsigma

Free
  • Community Edition$undefined/month
    • Self hosted, open source, no licence fee
    • You supply the infrastructure and the browser or device grid
  • Cloud$undefined/month
    • Priced per authoring user with additional charges for parallel cloud executions and device minutes
    • Published tiers exist but the figures that matter at team scale come from sales

Which should you pick?

Choose Convoy if

  • You need inbound and outbound.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Cloud.
  • You also want broker-driven ingestion.
Convoy review

Choose Testsigma if

  • You need natural language authoring.
  • You want to start without paying.
  • You work on Web, iOS, Android, Linux.
  • You also want unified web, mobile and api tests.
Testsigma review

Questions people ask

Is Convoy or Testsigma better?
Neither clearly leads. Convoy starts at Free and Testsigma at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Convoy or Testsigma?
Convoy starts at Free and Testsigma at Free.
Does Convoy or Testsigma run on more platforms?
Convoy runs on Linux, Docker, Kubernetes, Cloud. Testsigma runs on Web, iOS, Android, Linux.
Can I use Convoy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Convoy best used for?
Convoy is most often used for a fintech that cannot route customer webhook traffic through a third-party saas for compliance reasons, a high-volume platform for which per-message webhook pricing costs more than the flat premium licence, a team that also receives webhooks from many providers and wants ingestion, verification and deduplication in the same gateway, an engineering group that wants webhook delivery driven directly from an existing kafka or sqs topic. Of those, a fintech that cannot route customer webhook traffic through a third-party saas for compliance reasons and a high-volume platform for which per-message webhook pricing costs more than the flat premium licence are not what Testsigma is typically brought in for.
What can Convoy do that Testsigma cannot?
Convoy covers Inbound and outbound, Broker-driven ingestion, Payload transformation, Portal links. Testsigma covers Natural language authoring, Unified web, mobile and API tests, Self hosted community edition, Cloud device and browser grid.

Answered from the vendors’ own pages

Convoy: Is Convoy really open source?

Yes, the community edition is open source and self-hostable, covering both inbound and outbound webhooks with retries.

Testsigma: Is the open source edition genuinely usable in production?

Yes for self hosted execution, though it trails the cloud version on newer features and you maintain the grid yourself.

Convoy: What does premium cost?

A flat 999 US dollars a month, self-hosted, regardless of message volume.

Testsigma: Do testers need to know Selenium?

Not to write ordinary steps. They will need someone who does as soon as the suite needs custom functions or awkward waits.

Convoy: Does it receive webhooks as well as send them?

Yes, inbound ingestion with verification and deduplication is a first-class feature, unlike most webhook services.

Testsigma: Can it test native iOS and Android applications?

Yes, through Appium underneath, on the hosted device grid or your own devices.

Convoy: Do I have to self-host?

No, there is a hosted cloud, but the trial is capped at 100 events a day and self-hosting is the primary model.

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