Quick answer: A Salesforce integration sends data from your website (form submissions, quote requests, orders, signups) straight into Salesforce as leads, contacts, cases or custom records, so nobody has to copy it across by hand. For simple lead capture, Salesforce’s built-in Web-to-Lead form is often enough. For more control, use a form tool with a Salesforce connector or an automation service like Zapier. For two-way sync, complex logic or high volume, build a custom integration with the Salesforce REST API. Whatever the method, plan field mapping, duplicate handling and error alerts before you switch it on.
Why connect your site to Salesforce
If your sales team works in Salesforce but your website sends leads to an inbox, someone is copying names, emails and notes from one to the other. That copying is slow, easy to forget and full of small errors. Leads that sit in an inbox overnight get answered late.
A direct integration fixes this:
- Leads appear in Salesforce within seconds, assigned to the right owner
- Source and campaign data come with them, so you can see which pages and channels bring in pipeline
- Automatic follow-up tasks and emails can start straight away
- Reporting covers the full path from first visit to closed deal
If you are still choosing a CRM, our guide to a CRM for small business covers the wider decision. This article assumes Salesforce is already in place.
The main integration options
1. Web-to-Lead
Salesforce includes a feature called Web-to-Lead. In Setup, you choose the lead fields you want, and Salesforce generates an HTML form that posts directly into your org. A matching feature, Web-to-Case, does the same for support requests.
Good for: simple contact or demo request forms, small teams, quick setup.
Limits: the generated form is basic and needs styling. It does not offer much validation or spam protection out of the box. Salesforce caps how many Web-to-Lead submissions it accepts per day, so check the limit for your edition if you expect high volume. It only creates leads (or cases), and it cannot update existing records.
2. Form tools with a Salesforce connector
Many form builders and CMS form plugins offer a Salesforce add-on. You build the form in your normal tool, map each field to a Salesforce field, and the connector sends the data when someone submits.
Good for: marketing teams who want to design and change forms themselves, and sites that need conditional fields, file uploads or multi-step forms.
Limits: you depend on the connector’s quality and updates. Check whether it supports custom objects, campaign membership and error logging before you commit.
3. Automation services
Zapier and similar services can connect your website, form tool, email platform and Salesforce without code. A typical flow: a form submission triggers a zap, which looks for an existing contact by email, then creates or updates a lead and adds it to a campaign. Note that Salesforce is a premium app on Zapier, so it needs a paid plan. Our guide to Zapier explains how these workflows are put together.
Good for: connecting several tools at once, quick experiments, small to medium volume.
Limits: per task pricing adds up at higher volume, and logic spread across many zaps can be hard to audit later.
4. Custom API integration
Salesforce offers several APIs. The REST API is the usual choice for websites: your server authenticates through a connected app using OAuth and then creates, reads or updates records. The Bulk API handles large batch jobs, and the Streaming API can push changes from Salesforce back to your systems.
Good for: two-way sync, customer portals, ecommerce order data, complex routing, high volume and custom objects.
Limits: it needs a developer and ongoing maintenance. API access is included in Enterprise, Unlimited and Developer editions. Professional Edition usually needs an add-on, so confirm this with Salesforce before planning custom work. For the general approach to this kind of project, see API integration.
Choosing the right approach
| Need | Best fit |
|---|---|
| A simple lead form, fast | Web-to-Lead |
| Marketing controls the forms | Form tool with connector |
| Several apps involved, modest volume | Zapier or similar |
| Two-way sync or custom objects | Custom API integration |
| Thousands of records a day | Custom API integration with Bulk API |
Many businesses start with Web-to-Lead or a connector and move to a custom integration when their needs grow. That is a sensible path, as long as you document what each step does.
Planning the data before building
Most integration problems are data problems, not code problems. Settle these questions first.
Which object should receive the data?
Website enquiries usually create leads. Existing customers asking for help might create cases. Orders or bookings might create custom records linked to an account. Decide this per form.
Field mapping
List every website field and the Salesforce field it maps to. Watch for picklists: if the website sends “UK” and the Salesforce picklist expects “United Kingdom,” the record may fail or end up messy. Agree on formats for phone numbers, countries and dates.
Source and campaign tracking
Capture where the lead came from. Pass hidden fields for the landing page, UTM source, medium and campaign, and map them to lead fields or campaign membership. This is what lets you report on which marketing actually produces pipeline.
Duplicates
Decide what happens when someone who already exists submits again. Salesforce has matching rules and duplicate rules that can alert or block. Automation services and custom code can search by email first and update the existing record instead of creating a new one.
Assignment and follow-up
Use lead assignment rules to route leads by region, product or size. Then use workflow rules or Process Builder to create tasks, send alerts or start an email sequence. The same thinking applies to keeping your email platform in step with the CRM, covered in email and CRM sync.
Privacy and consent
Only send what you need. Capture consent choices on the form and store them in Salesforce fields so your marketing team respects them.
Testing and monitoring
Build in a Salesforce sandbox first if your edition includes one. Test with real-looking data: long names, special characters, international phone numbers, empty optional fields and duplicate emails.
After launch, monitor:
- Failures. Every integration fails eventually, for example when someone renames a field or makes it required. Make sure failures send an alert to a person, and that the original data is kept so it can be resent.
- Volume. Compare website form submissions with records created in Salesforce each week. A gap means something is dropping.
- Data quality. Review a sample of new records each month for mapping errors.
Beyond lead forms
Once leads flow reliably, other connections often follow: newsletter signups added to campaigns, webinar registrations, ecommerce orders written to accounts, support forms creating cases, or a customer portal that reads account data. Lead sources outside your site, such as Facebook Lead Ads, can feed into the same process so every lead is handled the same way.
FAQ
Is Web-to-Lead secure?
It sends form data to Salesforce over HTTPS. The bigger risk is spam, so add spam protection on the website side before the data reaches Salesforce.
Can a website update existing Salesforce records?
Not with Web-to-Lead. A connector, an automation service or a custom API integration can search for an existing record and update it.
Do I need a developer for a Salesforce integration?
Not for Web-to-Lead or most connectors. You do for two-way sync, custom objects or complex logic.
How long does an integration take?
A simple lead form can be live in a day. A custom two-way integration takes longer and depends on how many objects and rules are involved.
Let the systems do the copying
A good Salesforce integration means every enquiry reaches the right person with the right context, without anyone retyping it. Start with the forms that bring in the most leads, plan the data carefully and keep an eye on failures. If you want help connecting your website, CRM and the rest of your tools, see Automate the busywork.
