DocuPost vs ZAP~POST

DocuPost lets users upload or compose documents online and have letters, postcards, and checks printed and mailed. Letters can be sent individually or in bulk, in black-and-white or color and single- or double-sided, with mail-merge tokens. The letter service accepts documents up to 500 pages. Mailing options include USPS First Class, Standard Class, international mail, Certified Mail, return receipts, and Priority Mail Express, described as arriving in as little as 1–2 days. Tracking options include USPS Tracking, Certified Mail, Priority Mail, and return receipts. DocuPost describes its letter service as HIPAA-compliant with a signed BAA, while its privacy policy says it cannot guarantee the safety or security of personal information. Listed integrations include Zapier, Clio, FileVine, HubSpot, QuickBooks Online, Xero, Google Docs, and a developer API. The Free plan has no send limits but charges per mailpiece, includes DocuPost branding on cover letters, and retains documents for 90 days. Premium costs $9.95 a month; Enterprise costs $99.95 a month.

ZAP~POST sends personalized postcards and letters when a real-time event or customer action triggers a campaign. Its web design app supports drag-and-drop editing, custom fields, uploaded images, and unique promotional or QR codes. Mail formats include oversized and A5 postcards, an A5 one-piece mailer, and a secure letter. Campaigns can use recipient-specific QR codes and tracking, while conversion attribution is handled through the customer’s analytics platform. ZAP~POST validates recipient details and cleans records; rejected records may receive Zap credits under its credit rules. Ecommerce, CRM, and CDP systems can connect by API, and listed integrations include Klaviyo, Dotdigital, Ometria, HubSpot, Bloomreach, Zapier, Force24, and Shopify. The main standard mailing location is the UK, with campaigns also available in the US, Germany, the Netherlands, France, and Italy; specifications, prices, and turnaround vary by country. A one-off trial campaign is available without a credit card, and the site advises trying at least 1,000 recipients. The service is web-based and headquartered in London.