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Best Email Marketing Software in 2026

Updated

189ranked
21free plans on this page
$3.75/molowest paid tier
9 Oct 2026last checked

Email Marketing Software, one module each. A lit port is something its maker publishes; 0 of the 25 on this page have a public API.

  1. 76 Octeth API not on recordOSS not on recordFREE yesDOCS 5.7$5,000/mo
  2. 77 OnVoard API not on recordOSS not on recordFREE yesDOCS 5.7$15/mo
  3. 78 Retainful API not on recordOSS not on recordFREE yesDOCS 5.7$14/mo
  4. 79 SendBlaster API not on recordOSS not on recordFREE yesDOCS 5.7Free
  5. 80 Sendigram API not on recordOSS not on recordFREE yesDOCS 5.7$9/mo
  6. 81 Sendloop API not on recordOSS not on recordFREE yesDOCS 5.7$39/mo
  7. 82 SendMails API not on recordOSS not on recordFREE yesDOCS 5.7$25/mo
  8. 83 SmartrMail API not on recordOSS not on recordFREE yesDOCS 5.7$10/mo
  9. 84 Substack API not on recordOSS not on recordFREE yesDOCS 5.7Free
  10. 85 The Newsletter Plugin API not on recordOSS not on recordFREE yesDOCS 5.7Free
  11. 86 Upsender API not on recordOSS not on recordFREE yesDOCS 5.7$297/mo
  12. 87 YMLP API not on recordOSS not on recordFREE yesDOCS 5.7$3.75/mo
  13. 88 Acumbamail API not on recordOSS not on recordFREE yesDOCS 5.6Free
  14. 89 AcyMailing API not on recordOSS not on recordFREE yesDOCS 5.6Free
  15. 90 ahoy! email API not on recordOSS not on recordFREE yesDOCS 5.6Free
  16. 91 BayEngage API not on recordOSS not on recordFREE yesDOCS 5.6Free
  17. 92 Icegram Express API not on recordOSS not on recordFREE yesDOCS 5.6$8.25/mo
  18. 93 Letter API not on recordOSS not on recordFREE yesDOCS 5.6Free
  19. 94 OpenEMM API not on recordOSS not on recordFREE yesDOCS 5.6Free
  20. 95 VBOUT API not on recordOSS not on recordFREE yesDOCS 5.6Free
  21. 96 Resletter API not on recordOSS not on recordFREE yesDOCS 5.5Free
  22. 97 Campayn API not on recordOSS not on recordFREE not on recordDOCS 5.4$19/mo
  23. 98 E-goi API not on recordOSS not on recordFREE not on recordDOCS 5.4
  24. 99 FireDrum Email Marketing API not on recordOSS not on recordFREE not on recordDOCS 5.4
  25. 100 Robly API not on recordOSS not on recordFREE not on recordDOCS 5.4$19/mo
Compare all 25 in a table
#PlatformScoreFree planFromFree planPaid fromSubscriber limitMonthly send limit
76Octeth5.7Free plan$5,000/moYes———
77OnVoard5.7Free plan$15/moYes15 /mo10,000 contacts—
78Retainful5.7Free plan$14/moYes14 /mo1,000 contacts10,000 emails/mo
79SendBlaster5.7Free planFreeYes———
80Sendigram5.7Free plan$9/moYes9 /mo—20,000 emails/mo
81Sendloop5.7Free plan$39/moYes39 /mo——
82SendMails5.7Free plan$25/moYes25 /mo50,000 contacts—
83SmartrMail5.7Free plan$10/moYes10 /mo—12 emails/mo
84Substack5.7Free planFreeYes———
85The Newsletter Plugin5.7Free planFreeYes———
86Upsender5.7Free plan$297/moYes297 /mo—1,000,000 emails/mo
87YMLP5.7Free plan$3.75/moYes3.75 /mo—500 emails/mo
88Acumbamail5.6Free planFreeYes———
89AcyMailing5.6Free planFreeYes———
90ahoy! email5.6Free planFreeYes———
91BayEngage5.6Free planFreeYes—1,000 contacts—
92Icegram Express5.6Free plan$8.25/moYes———
93Letter5.6Free planFreeYes———
94OpenEMM5.6Free planFreeYes———
95VBOUT5.6Free planFreeYes———
96Resletter5.5Free planFreeYes———
97Campayn5.4No$19/moYes17 /mo3,000 contacts15,000 emails/mo
98E-goi5.4No—Yes11.75 /mo500 contacts—
99FireDrum Email Marketing5.4No—Yes10 /mo1,000 contacts—
100Robly5.4No$19/moYes19 /mo500 contacts—

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