Step 1
In HubSpot, go to Settings → Integrations → Private Apps, create a Private App with crm.objects.contacts.write scope, and copy the access token.
Integration · HubSpot
Send form submissions to HubSpot.
Send form submissions to HubSpot as contacts.
- 500 free submissions
- No credit card
- Live in minutes
Form submissions, routed automatically
splitforms connects your forms to HubSpot and moves every submission across the moment it's received — no manual export, no copy-paste.
Your leads are never lost
Every submission is emailed to you and saved to a searchable dashboard, so the lead is captured even if HubSpot is unreachable.
No per-integration fees
Connecting HubSpot to your forms is included in your plan — no add-on charge and no per-message billing from splitforms.
Example: form markup
Send form submissions to HubSpot from plain HTML.
The form posts to https://splitforms.com/api/submit. The HubSpot routing is configured in the splitforms dashboard against the form's access key — there's no client-side HubSpot-specific code in your HTML.
<form action="https://splitforms.com/api/submit" method="POST">
<input type="hidden" name="access_key" value="YOUR_SPLITFORMS_KEY" />
<input type="email" name="email" placeholder="[email protected]" required />
<textarea name="message" placeholder="Your message" required></textarea>
<button type="submit">Send to HubSpot</button>
</form>How it works
How to send form submissions to HubSpot.
Here's how to send form submissions to HubSpot in 6 steps — no code required, and most teams finish in a couple of minutes.
Step 2
Build a relay endpoint (Cloudflare Worker, Vercel function, or any small HTTP service) that receives the splitforms webhook and POSTs to https://api.hubapi.com/crm/v3/objects/contacts with the contact's email, name, and any other captured fields as properties.
Step 3
Paste the relay URL into the form's Webhooks tab in splitforms.
Step 4
Submit a test entry. A new contact should appear in HubSpot within a couple of seconds. Confirm the email matches what was submitted.
Step 5
Optional: associate the contact with a Deal or Company via additional /associations endpoints inside the relay, so new leads land in the right pipeline.
Step 6
Optional: enrich the relay with HubSpot list memberships so contacts are auto-added to the 'Website Inbound' or similar list for nurture campaigns.
How teams use it
How do teams send form submissions to HubSpot?
Use a HubSpot Private App access token and the CRM v3 contacts endpoint to create or update a contact for every submission. splitforms POSTs the submission via webhook through a small relay (or Zapier) that calls HubSpot. Prefer a plainer destination? The same form can also send form submissions to email or forward them to any webhook.
- Delivered via webhook + relay (or Zapier / Make)
- B2B SaaS sales teams capturing demo requests and creating contacts in HubSpot with a 'Demo Requested' lifecycle stage.
- Marketing teams running gated content forms — each download becomes a HubSpot contact tagged by asset.
Why splitforms
Do you need a separate tool to send form submissions to HubSpot? No.
HubSpot's hosted forms are free but force you to embed a HubSpot script; splitforms keeps the form fully yours. splitforms is free for 500 submissions (no card), then $5/mo on Pro (5,000/month) or $49/year on Annual (15,000/month), with no per-integration add-on fees.
- Customer success teams with support forms that create or update contacts and add a ticket via HubSpot's tickets API.
- Recruiting teams using HubSpot as a candidate CRM (less common, but workable) — each application creates a contact tagged by role.
- Newsletter signup forms whose subscribers become HubSpot marketing contacts ready for sequence emails.
How SplitForms works
What happens after someone submits your form?
splitforms receives the submission, filters spam, saves it to your dashboard and emails you — then, on paid plans, sends it on to your webhooks and integrations. No backend infrastructure to build.
Add your endpoint
Point your form to your unique SplitForms endpoint. That's it.
Receive submissions
We instantly capture and organize every submission in your inbox.
Route anywhere
Send data to email, spreadsheets, CRMs, webhooks, and 7,000+ apps.
No credit card required. Set up in under 60 seconds.
Connect & automate
Where can submissions go besides email?
On paid plans, submissions can also go to Slack, Discord, Google Sheets, Notion, Airtable, Zapier or any signed webhook — and splitforms works on the platforms you build on, from WordPress and Shopify to Next.js. With Stripe connected, your forms can take payments too.
NewTake payments on your formsDeposits, bookings, order forms — submitters check out through Stripe and the money goes straight to your Stripe account. Included on every paid plan.See plans →Common questions
HubSpot form integration questions.
View all FAQsDoes splitforms have a native HubSpot integration?
Today, no — splitforms reaches HubSpot via outbound webhooks plus a small relay (or via Zapier/Make). That's the honest answer; a one-click HubSpot OAuth connector is on the roadmap. The webhook-relay route is reliable in production today and unlocks on Pro ($5/month) and above.
Can I create or update existing contacts (upsert)?
Yes. HubSpot's create endpoint returns 409 if a contact with the same email exists. The relay should catch the 409, then PATCH the existing contact at /crm/v3/objects/contacts/{id}. This avoids duplicate contacts when the same person submits twice.
Will this work with HubSpot Free?
Yes. Private apps and the contacts API are available on HubSpot's free CRM tier. You don't need a paid HubSpot plan to ingest form submissions — only to use advanced marketing automation features downstream.
What about HubSpot's own forms — why not just use those?
HubSpot forms ingest cleanly into HubSpot, but the form itself is hosted by HubSpot, which limits design control and adds a script tag to your site. splitforms keeps the form 100% your HTML, owned by you, and the data flows into HubSpot at the backend. You also keep the option to send the same submission to other destinations (Slack, email).
How do I avoid the relay becoming a single point of failure?
splitforms always sends the submission to email and saves it in the dashboard regardless of webhook outcome, so even if the relay is down, the lead is captured — a network error, timeout, or 5xx from the relay gets one automatic retry, and every delivery lands in the webhook's delivery log with its status, error and attempt count, where you can replay it once the relay is fixed. Run the relay on a serverless platform with high availability (Workers, Vercel) and you'll rarely see a missed delivery.
Can I trigger a HubSpot workflow from this?
Yes. Set a property on the contact (e.g. 'website_form_submitted = true') and create a HubSpot workflow that triggers when that property updates. This gives you sequence enrolment, internal notifications, and lifecycle-stage updates.
Simple pricing
How much does splitforms cost?
Free gives you 500 submissions for $0 — no card, no time limit. Pro is $5/month for 5,000 submissions a month, and Annual is $49/year for 15,000 a month with every Pro feature.
Free
$0— 500 submissions
For side projects and indie devs.
- 500 free submissions
- Unlimited forms
- Email notifications included
- Smart spam filtering
- Submissions dashboard
- Redirect after submit
- MCP server included
Recommended
Pro
$5/ month
Billed monthly
Every paid feature, for agencies and growing products.
- 5,000 submissions / mo
- Unlimited forms
- Webhooks and integrations
- CC/BCC, auto-replies and routing
- File uploads with 500 MB storage
- Stripe payments on your forms
- 3 team seats
- Cancel anytime
Annual
$49/ year
About $4.08/mo, billed yearly
Every Pro feature with triple the volume — $0.27 per 1,000 at full use.
- 15,000 submissions / mo
- Unlimited forms
- Everything in Pro
- File uploads with 5 GB storage
- 3 team seats
- Priority email support
No credit card required on Free • Cancel anytime • Full pricing and FAQ