Basin

1. 1

   You get the form into Basin one of three ways. Point an existing HTML form's action attribute at a Basin endpoint, POST to it from a JavaScript framework using the BasinJS library, or build the form in Basin's own drag-and-drop Form Studio if you would rather not write it. The endpoint path is the one most users take and the one the product is designed around.

2. 2

   Each submission passes through the spam stack before it is accepted. You choose which layers to enable: a CAPTCHA engine if you want a visible challenge, or invisible defences such as honeypots, domain restrictions, duplicate detection, burner-email blocking, and country or language filtering if you would rather not put a puzzle in front of anyone. Pro adds advanced filtering, virus scanning on uploads, and location filtering.

3. 3

   Accepted submissions are stored, geolocated, and pushed onward. Notification emails go out instantly, auto-responses go back to the submitter from branded templates and optionally your own SMTP server, and digests summarise the day or the week. Webhooks fire with HMAC-SHA256 signatures so your receiving endpoint can verify the payload really came from Basin, and event logs make failures debuggable rather than mysterious.

4. 4

   Beyond that, native integrations cover Slack, Discord, and Google Sheets, and Zapier, Make, Pipedream, and Integrately reach more than three thousand apps. Everything exports as CSV or JSON, retention periods are configurable, and Basin ships automatic data receipt emails and easy data deletion as explicit GDPR tooling.

Freemium with five self-serve tiers metered on monthly submissions and storage, with published per-thousand overage rather than a hard cap; prices shown are the yearly-billed monthly equivalents.

Value assessment: At 500 submissions a month the cheapest route is Starter at $12.50 plus roughly $1.31 of overage, or Growth at $24.17 if you want retention and collaborators, which most people will. At 5,000 a month Pro costs $30.62 billed yearly, or about $367 a year, against Formcarry's $960 and Forminit's $228. That places Basin in the middle on headline price and comfortably first on what you get for it: three CAPTCHA engines, seven or eight spam filters, virus scanning, 50GB uploads, signed webhooks, custom SMTP, and an overage rate that keeps the form alive. If you are choosing a backend on capability per dollar rather than on the cheapest possible line item, Basin is the pick.

Setup time

Ten to fifteen minutes for a working endpoint, plus another half hour if you are configuring the spam stack properly and connecting custom SMTP.

Learning curve

Low for the endpoint and moderate for the spam configuration, which has enough options that it rewards a deliberate pass rather than accepting defaults. Form Studio is trivial if you use it.

Onboarding

Entirely self-serve across all five published tiers with no sales call at any price. Priority support arrives on the Agency plan.

Migration notes

Switching to or from a form backend is a one-URL change and a redeploy, which is the lowest switching cost in this category. Export existing submissions as CSV or JSON first. Two Basin-specific things to plan: if you are moving off the free plan, note that anything older than thirty days is already gone, and if you are moving away, update any webhook consumers because Basin's signed payload shape will not match your next vendor's.

Platforms

HTTP POST endpoint usable from any frameworkPlain HTML formsBasinJS for JavaScript frameworksForm Studio drag-and-drop builderStatic sites and single-page applications via AJAX

API

API access from the Growth plan, plus webhooks carrying HMAC-SHA256 signatures with event logs; native Slack, Discord, and Google Sheets connectors and more than three thousand apps through Zapier, Make, Pipedream, and Integrately.

Compliance

GDPR tooling including automatic data receipts and easy deletionConfigurable data retentionCloudflare DDoS protection and WAF integrationNo published HIPAA business associate agreementNo published accessibility conformance statement

Data residency

No data residency region is published; buyers with a strict EEA requirement should compare against Forminit, which states AWS Ireland.

SSO

Not published on the self-serve plans.

Security notes

Domain restrictions limit which origins may post to an endpoint, token rotation is supported, and Cloudflare provides DDoS and WAF protection. Uploaded files are virus-scanned on the Pro plan and served through signed URLs. Webhook payloads are HMAC-SHA256 signed so receivers can verify authenticity. Because you write the form, its validation and accessibility remain your responsibility.

Channels

Email support on all plansPriority support on the Agency plan

Documentation

Documentation covering endpoint setup, BasinJS, the spam filtering stack, file handling, webhooks and signatures, integrations, and data retention.

Community

No large official forum; support runs through direct channels.

Founded

2017

Headquarters

British Columbia, Canada

Ownership

Owned by Moonshot Ventures, Inc.

Employees

Not disclosed

Funding

No funding is disclosed; the company presents itself as an independent Canadian software business.

Basin is the most serious form backend a small company can buy, and the reason is that it treats the two things that actually break in production, spam and email delivery, as product areas rather than checkboxes. Three CAPTCHA engines, seven or eight independent filters, virus scanning, 50GB uploads, HMAC-signed webhooks, custom SMTP, and data receipt emails in fifteen languages is a genuinely deep stack for around $30 a month. Above all it publishes its overage rate at roughly half a cent a submission and keeps the form working, which is the single most important thing a backend can promise. Buy it if you run forms across many sites, if spam or attachments are real problems, or if you want the failure mode written down. Do not buy the free plan expecting to keep your data, since it is dropped after thirty days, and do not buy Basin at all if you need someone else to build the form.

Written by the SaaSTracker editorial team. Awards, when shown, are judged against the published criteria in our methodology.