Signups silently never reach Mailchimp audience
Signups from the site silently never reach the Mailchimp audience, even when the API looks connected and no error is logged.
Tier I · Proven The best-established problems.
7 public reports · first reported 1 January 2026 · last reported 8 October 2026
What's going wrong
Many site owners using MC4WP report that people submit a form, sometimes all of them, yet the contact never appears in their Mailchimp audience.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 7 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.