Side by side

Assertible vs pingdan

Both stand on api monitoring tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Assertible

Free plan APIWeb

Choose Assertible if you need HTTP service checks, deployment smoke tests, or API test synchronization with common specification formats and Postman collections. Look elsewhere if the Personal plan's service, test, result, or team limits do not fit; paid plans start at $25 a month.

Visit Assertible

pingdan

Free plan Web

pingdan offers broad HTTP assertions, frequent checks, certificate warnings, and many alert destinations at no listed cost. The main stated limitation is that account deletion still requires a manual request.

Visit pingdan

The facts

	Assertible	pingdan
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Web	Web
Lowest paid plan	Standard: $25 a month	Free or on request
Plans published	4	1
Maker	Not published	Not published
Website	assertible.com	pingdan.dev
On api monitoring tools	#7 of 27	#15 of 27

Assertible: what it does well

Creates HTTP assertions and shows request details and results.
Runs smoke tests automatically after deployment to staging or production.
Imports and syncs tests with OpenAPI, Swagger, and Postman.
Integrates with GitHub, Slack, PagerDuty, and Zapier.
Free tier can be used indefinitely.

What to know first

The free Personal plan allows two web services and 10 tests per service.
Personal retains 1,000 results and supports one to two members.
Shorter monitoring intervals are available on paid plans.
Paid plans start at $25 a month.

pingdan: what it does well

Unlimited monitors on the free plan
Intervals from one minute to seven days
Many alert integrations
Automatic HTTPS certificate checks
Latency percentiles and full history

What to know first

Account deletion is not self-service
Deletion requests require a person
No paid plans are listed

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