Best Direct Mail Automation Software in 2026
Updated
In short: DocuPost is ranked #1 of 28 as of 4 October 2026, ahead of Inkit and Postalytics. The best-ranked option with a free plan is Inkit. The lowest first paid tier on this page is DocuPost at $9.95/mo.
Postal outreach can involve choosing formats, personalizing content and coordinating delivery, so direct mail automation software calls for comparisons beyond mailing alone. Compared on address verification and delivery scope, the entries also vary in mail formats and personalization level. CRM connections and API access matter when postal workflows need to connect with other systems. DocuPost, Inkit and Postalytics are among the options shown. Check free-plan availability and paid-from pricing alongside the listed capabilities, then weigh which combination fits the reach, integrations and personalization your sales or CRM work requires.
28 direct mail automation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Direct Mail Automation Software, one module each. A lit port is something its maker publishes; 10 of the 25 on this page have a public API.
- 01 DocuPost API yesOSS not on recordFREE yesDOCS 7.4$9.95/mo
- 02 Inkit API yesOSS not on recordFREE yesDOCS 7.4$20/mo
- 03 Postalytics API yesOSS not on recordFREE yesDOCS 7.4$199/mo
- 04 Stannp API yesOSS not on recordFREE yesDOCS 7.4$12/mo
- 05 thanks.io API yesOSS not on recordFREE yesDOCS 7.4$49/mo
- 06 Lob Address Verification API yesOSS not on recordFREE yesDOCS 7.3$260/mo
- 07 PostPilot API yesOSS not on recordFREE yesDOCS 7.3$82.50/mo
- 08 MailStream API yesOSS not on recordFREE not on recordDOCS 7.0
- 09 Direct Mail Manager API yesOSS not on recordFREE not on recordDOCS 6.9$199/mo
- 10 PostGrid Address Verification API yesOSS not on recordFREE not on recordDOCS 6.9$18/mo
- 11 Sincerely API not on recordOSS not on recordFREE yesDOCS 6.0$250/mo
- 12 Click2Mail API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 13 Growmail API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 14 PFL Tactile Marketing Automation API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 15 Postie API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 16 Handwrytten API not on recordOSS not on recordFREE not on recordDOCS 5.1$100/mo
- 17 Letter Friend API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 18 PebblePost API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 19 Veezla API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 20 DirectMail.io API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 21 MailerBot API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 22 PostBridge API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 23 Postronomy API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 24 Print.one API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 25 RelevateAI API not on recordOSS not on recordFREE not on recordDOCS 5.0
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Mail formats | Personalization level |
|---|---|---|---|---|---|---|---|---|
| 1 | DocuPost | 7.4 | Free plan | $9.95/mo | Yes | 9.95 /mo | letters, postcards, checks | variable |
| 2 | Inkit | 7.4 | Free plan | $20/mo | Yes | — | letter, postcard | variable |
| 3 | Postalytics | 7.4 | Free plan | $199/mo | Yes | 199 /mo | 4×6, 6×9, and 6×11 postcards; 9×12 and 6×18 bifold self-mailers; 8.5×11 and 8.5×14 letters | variable |
| 4 | Stannp | 7.4 | Free plan | $12/mo | Yes | 12 /mo | postcards, letters, self-mailers | variable |
| 5 | thanks.io | 7.4 | Free plan | $49/mo | Yes | 49 /mo | Postcards, windowed letters, windowless letters, notecards, gift cards, MagnaCards | one-to-one |
| 6 | Lob Address Verification | 7.3 | Free plan | $260/mo | Yes | 20 /mo | — | — |
| 7 | PostPilot | 7.3 | Free plan | $82.50/mo | Yes | 82.5 /mo | 4x6 postcards; 6x9 postcards; 6x11 postcards; handwritten cards; Cardalogs; A5 postcards | one-to-one |
| 8 | MailStream | 7.0 | No | — | Yes | 99 /mo | 4×6, 6×9, and 6×11 postcards; 8.5×11 letters | variable |
| 9 | Direct Mail Manager | 6.9 | No | $199/mo | Yes | 199 /mo | postcards, letters | one-to-one |
| 10 | PostGrid Address Verification | 6.9 | No | $18/mo | No | 18 /mo | — | — |
| 11 | Sincerely | 6.0 | Free plan | $250/mo | Yes | 250 /mo | 4x6 postcards; 6x9 postcards; letters | one-to-one |
| 12 | Click2Mail | 5.2 | No | — | Yes | — | postcards, letters, flyers, brochures, booklets, certified mail, priority mail, reply mail, secure mailers, notecards, rack cards, EDDM | variable |
| 13 | Growmail | 5.2 | No | — | — | — | Postcards, brochures, flyers, and letter mailers | variable |
| 14 | PFL Tactile Marketing Automation | 5.2 | No | — | — | — | postcards, letters, brochures, catalogs, flyers, custom boxes, packaging, promotional kits, dimensional mailers | one-to-one |
| 15 | Postie | 5.2 | No | — | — | — | postcards | variable |
| 16 | Handwrytten | 5.1 | No | $100/mo | No | 100 /mo | flat cards, folded cards, postcards, letters/notes | one-to-one |
| 17 | Letter Friend | 5.1 | No | — | No | — | handwritten letters; handwritten envelopes; thank-you cards; birthday cards; business cards; branded stationery | one-to-one |
| 18 | PebblePost | 5.1 | No | — | — | — | postcards, 4-panel folds, 6-panel folds | one-to-one |
| 19 | Veezla | 5.1 | No | — | — | — | letters, postcards, checks | variable |
| 20 | DirectMail.io | 5.0 | No | — | No | — | postcards, letters, self-mailers, flats, brochures | one-to-one |
| 21 | MailerBot | 5.0 | No | — | No | 99 /mo | postcards, letters, invoices, EDDM, custom print pieces | one-to-one |
| 22 | PostBridge | 5.0 | No | — | No | — | letters, postcards | — |
| 23 | Postronomy | 5.0 | No | — | No | 199 /mo | postcards, greeting cards, flat cards, gifts | one-to-one |
| 24 | Print.one | 5.0 | No | — | No | — | postcards, greeting cards, A4 letters | one-to-one |
| 25 | RelevateAI | 5.0 | No | — | No | — | postcards | one-to-one |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which direct mail automation software is ranked first on Inferse?
DocuPost is ranked #1 of 28 with a score of 7.4. Inkit is second and Postalytics third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DocuPost has the lowest first paid tier we found: $9.95/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.