diff --git a/src/app/admin/onboarding/page.test.tsx b/src/app/admin/onboarding/page.test.tsx
index ca5b2d7..6be4d04 100644
--- a/src/app/admin/onboarding/page.test.tsx
+++ b/src/app/admin/onboarding/page.test.tsx
@@ -229,6 +229,63 @@ describe('AdminOnboardingPage', () => {
     expect(screen.getByText(/this field is required by the barazo platform/i)).toBeInTheDocument()
   })
 
+  it('shows ToS URL input when field type is tos_acceptance', async () => {
+    const user = userEvent.setup()
+    render(<AdminOnboardingPage />)
+    await user.click(screen.getByRole('button', { name: /add field/i }))
+    // Default type is custom_text -- no ToS URL input yet
+    expect(screen.queryByLabelText(/terms of service url/i)).not.toBeInTheDocument()
+    // Switch to tos_acceptance
+    await user.selectOptions(screen.getByLabelText(/field type/i), 'tos_acceptance')
+    expect(screen.getByLabelText(/terms of service url/i)).toBeInTheDocument()
+  })
+
+  it('hides ToS URL input for other field types', async () => {
+    const user = userEvent.setup()
+    render(<AdminOnboardingPage />)
+    await user.click(screen.getByRole('button', { name: /add field/i }))
+    await user.selectOptions(screen.getByLabelText(/field type/i), 'custom_text')
+    expect(screen.queryByLabelText(/terms of service url/i)).not.toBeInTheDocument()
+  })
+
+  it('saves tosUrl in config when provided', async () => {
+    let capturedBody: Record<string, unknown> | null = null
+    server.use(
+      http.post('/api/admin/onboarding-fields', async ({ request }) => {
+        capturedBody = (await request.json()) as Record<string, unknown>
+        return HttpResponse.json(
+          {
+            id: 'new-field-1',
+            communityDid: 'did:plc:test',
+            fieldType: 'tos_acceptance',
+            label: 'Accept ToS',
+            description: '',
+            isMandatory: true,
+            sortOrder: 3,
+            source: 'admin',
+            config: capturedBody?.['config'] ?? null,
+            createdAt: '2026-02-15T12:00:00.000Z',
+            updatedAt: '2026-02-15T12:00:00.000Z',
+          },
+          { status: 201 }
+        )
+      })
+    )
+    const user = userEvent.setup()
+    render(<AdminOnboardingPage />)
+    await user.click(screen.getByRole('button', { name: /add field/i }))
+    await user.selectOptions(screen.getByLabelText(/field type/i), 'tos_acceptance')
+    await user.type(screen.getByLabelText(/^label$/i), 'Accept ToS')
+    await user.type(screen.getByLabelText(/terms of service url/i), 'https://example.com/tos')
+    await user.click(screen.getByRole('button', { name: /^save$/i }))
+    await waitFor(() => {
+      expect(capturedBody).not.toBeNull()
+    })
+    expect(capturedBody).toMatchObject({
+      config: { tosUrl: 'https://example.com/tos' },
+    })
+  })
+
   it('passes axe accessibility check', async () => {
     const { container } = render(<AdminOnboardingPage />)
     await waitFor(() => {
diff --git a/src/components/admin/onboarding/onboarding-field-form.tsx b/src/components/admin/onboarding/onboarding-field-form.tsx
index bad0cc1..5cc902f 100644
--- a/src/components/admin/onboarding/onboarding-field-form.tsx
+++ b/src/components/admin/onboarding/onboarding-field-form.tsx
@@ -102,6 +102,34 @@ export function OnboardingFieldForm({
             placeholder="Additional context or instructions for users"
           />
         </div>
+        {editing.fieldType === 'tos_acceptance' && (
+          <div>
+            <label htmlFor="field-tos-url" className="block text-sm font-medium text-foreground">
+              Terms of Service URL (optional)
+            </label>
+            <input
+              id="field-tos-url"
+              type="url"
+              value={typeof editing.config?.tosUrl === 'string' ? editing.config.tosUrl : ''}
+              onChange={(e) =>
+                onChange({
+                  ...editing,
+                  config: e.target.value
+                    ? { ...editing.config, tosUrl: e.target.value }
+                    : (() => {
+                        const { tosUrl: _, ...rest } = editing.config ?? {}
+                        return Object.keys(rest).length > 0 ? rest : null
+                      })(),
+                })
+              }
+              className="mt-1 w-full rounded-md border border-border bg-background px-3 py-2 text-sm text-foreground"
+              placeholder="https://example.com/terms"
+            />
+            <p className="mt-0.5 text-xs text-muted-foreground">
+              Link displayed alongside the checkbox so users can review your terms.
+            </p>
+          </div>
+        )}
         <div className="flex items-center gap-2">
           <input
             id="field-mandatory"
diff --git a/src/components/onboarding-field-input.tsx b/src/components/onboarding-field-input.tsx
index 7c1862b..70e023e 100644
--- a/src/components/onboarding-field-input.tsx
+++ b/src/components/onboarding-field-input.tsx
@@ -72,7 +72,40 @@ export function OnboardingFieldInput({ field, value, onChange }: OnboardingField
         </div>
       )
 
-    case 'tos_acceptance':
+    case 'tos_acceptance': {
+      const tosUrl = typeof field.config?.tosUrl === 'string' ? field.config.tosUrl : null
+      return (
+        <div className="flex items-start gap-2">
+          <input
+            id={labelId}
+            type="checkbox"
+            checked={value === true}
+            onChange={(e) => onChange(e.target.checked)}
+            className="mt-1 h-4 w-4 rounded border-border"
+          />
+          <div>
+            <FieldLabel
+              htmlFor={labelId}
+              label={field.label}
+              required={required}
+              description={field.description}
+              block={false}
+            />
+            {tosUrl && (
+              <a
+                href={tosUrl}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="mt-0.5 block text-xs text-primary hover:underline"
+              >
+                Read full Terms of Service
+              </a>
+            )}
+          </div>
+        </div>
+      )
+    }
+
     case 'custom_checkbox':
       return (
         <div className="flex items-start gap-2">
diff --git a/src/components/onboarding-modal.test.tsx b/src/components/onboarding-modal.test.tsx
index e13f946..e1a06a6 100644
--- a/src/components/onboarding-modal.test.tsx
+++ b/src/components/onboarding-modal.test.tsx
@@ -196,6 +196,61 @@ describe('OnboardingModal', () => {
     expect(screen.getByRole('button', { name: /continue/i })).toBeEnabled()
   })
 
+  it('renders a ToS link when config.tosUrl is set', () => {
+    render(
+      <OnboardingModal
+        {...defaultProps}
+        fields={[
+          makeField({
+            id: 'tos',
+            fieldType: 'tos_acceptance',
+            label: 'Accept Terms',
+            config: { tosUrl: 'https://example.com/tos' },
+          }),
+        ]}
+      />
+    )
+    const link = screen.getByRole('link', { name: /read full terms of service/i })
+    expect(link).toHaveAttribute('href', 'https://example.com/tos')
+    expect(link).toHaveAttribute('target', '_blank')
+    expect(link).toHaveAttribute('rel', 'noopener noreferrer')
+  })
+
+  it('does not render a link when config.tosUrl is absent', () => {
+    render(
+      <OnboardingModal
+        {...defaultProps}
+        fields={[
+          makeField({
+            id: 'tos',
+            fieldType: 'tos_acceptance',
+            label: 'Accept Terms',
+            config: null,
+          }),
+        ]}
+      />
+    )
+    expect(screen.queryByRole('link')).not.toBeInTheDocument()
+  })
+
+  it('passes axe accessibility check for tos_acceptance with tosUrl', async () => {
+    const { container } = render(
+      <OnboardingModal
+        {...defaultProps}
+        fields={[
+          makeField({
+            id: 'tos',
+            fieldType: 'tos_acceptance',
+            label: 'Accept Terms',
+            config: { tosUrl: 'https://example.com/tos' },
+          }),
+        ]}
+      />
+    )
+    const results = await axe(container)
+    expect(results).toHaveNoViolations()
+  })
+
   it('passes axe accessibility check', async () => {
     const { container } = render(<OnboardingModal {...defaultProps} />)
     const results = await axe(container)