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SPECIFICTION
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QuantumDigital

quantumdigital.com

WebAPI
Visit quantumdigital.com
Spec score 7.4 #14 of 24 in Postcard Maker Software

What it is

QuantumDigital is an online direct-mail service for designing, proving, printing, and sending postcards. Customers can upload a design or use free templates, then upload their own mailing list or use QuantumDigital’s verified U.S. national residential list. Campaigns can be scheduled weekly, monthly, or quarterly and targeted around listed properties or customer contacts. The company says postcards can enter the mail stream the next business day, with the same turnaround stated for API orders. Its APIs support USPS navigation, national consumer lists, uploaded designs or lists, and shipping small-order marketing materials. Measurement and personalization options include Intelligent Mail barcodes, QR codes, SMS marketing, personalized landing pages, coupon codes, and variable data. API pricing is $0.10 for Print / Ship API, minimum 20 pieces, and $0.85 for Direct Mail API, minimum one piece. EDDM formats are $35.00, $40.00, or $49, starting at 25,000+ pieces.

Spec sheet

Audience
QuantumDigital serves real estate agents, local businesses, advertising and marketing agencies, and enterprise organizations.Read 1 Oct 2026 · quantumdigital.com
Integrations
Listed integration partners include Apination, Top Producer, Salesforce, ListHub, Reliance Network, Imprev, MoxiWorks and MarketSharp.Read 1 Oct 2026 · quantumdigital.com
Security
QuantumDigital says it uses a Thawte SSL certificate to encrypt data to and from its site and keeps stored network-server data encrypted.Read 1 Oct 2026 · quantumdigital.com
Support
The company says its business-hours support team provides a real person by phone and backs service with a WOW policy.Read 1 Oct 2026 · quantumdigital.com
Headquarters
Austin, Texas, United StatesRead 28 Sep 2026 · quantumdigital.com
Founded
1986Read 28 Sep 2026 · quantumdigital.com
API capabilities
The APIs support USPS navigation, national consumer lists, customer-uploaded designs or lists, and shipping of small-order marketing materials.Read 1 Oct 2026 · quantumdigital.com
API limits
The Direct Mail API requires a minimum order of 1 piece, while the Print/Ship API requires 20 pieces.Read 1 Oct 2026 · quantumdigital.com
Campaign scheduling
Direct-mail campaigns can be scheduled weekly, monthly or quarterly in advance.Read 1 Oct 2026 · quantumdigital.com
Certifications
QuantumDigital describes itself as a USPS-certified full-service facility, a G7 Master Printer and PCI certified with quarterly recertification.Read 1 Oct 2026 · quantumdigital.com
Core service
QuantumDigital lets customers design, proof, print and send direct-mail postcards online.Read 1 Oct 2026 · quantumdigital.com
Design options
Customers can upload their own postcard design or use free postcard templates.Read 1 Oct 2026 · quantumdigital.com
Mailing lists
Customers can upload their own mailing list or use QuantumDigital’s verified U.S. national residential list.Read 1 Oct 2026 · quantumdigital.com
Measurement features
QuantumDigital supports Intelligent Mail barcodes, QR codes, SMS marketing, personalized landing pages, coupon codes and variable-data personalization.Read 1 Oct 2026 · quantumdigital.com
Targeting
Campaigns can target specific mailing areas around listed properties or use the customer’s own contacts.Read 1 Oct 2026 · quantumdigital.com
Turnaround
QuantumDigital states that postcards can be in the mail stream the next business day and that API orders have next-business-day turnaround.Read 1 Oct 2026 · quantumdigital.com

Plans and prices

Print / Ship API $0.10, paid once per card minimum 20 pieces · USA, Canada, Bahamas and U.S. territories · FedEx shipping options · next-business-day turnaround Read 1 Oct 2026 · quantumdigital.com
Direct Mail API $0.85, paid once per card minimum 1 piece · USA USPS distribution · postage, mailing list and in-house printing included · no monthly subscription or per API call fees Read 1 Oct 2026 · quantumdigital.com
EDDM 11" × 4.25" $35, paid once per piece starting at 25,000+ pieces · 80# Matte Cover · postage included Read 1 Oct 2026 · quantumdigital.com
EDDM 8" × 6.5" $40, paid once per piece starting at 25,000+ pieces · 80# Matte Cover · postage included Read 1 Oct 2026 · quantumdigital.com
EDDM 11" × 8.5" $49, paid once per piece starting at 25,000+ pieces · 80# Matte Cover · postage included Read 1 Oct 2026 · quantumdigital.com

Every QuantumDigital plan and price →

Strong points and limits

Strong points

  • Upload designs or choose free postcard templates
  • Use custom lists or a verified national list
  • Schedule weekly, monthly, or quarterly campaigns
  • Supports variable-data personalization and QR codes
  • Direct Mail API minimum is one piece

Limits

  • Print / Ship API requires 20 pieces
  • EDDM plans start at 25,000+ pieces
  • Pricing is per card or per piece
  • Service is centered on listed postcard formats

Who it suits

QuantumDigital is aimed at real estate agents, local businesses, advertising and marketing agencies, and enterprise organizations. It suits teams needing online postcard production, mailing, scheduling, and API access.

Verdict

QuantumDigital covers postcard creation through mailing, with campaign scheduling, targeting, personalization, and API workflows. Its listed plans make order minimums and per-piece pricing important details for prospective users.

Where Specifiction places it

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