Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Digital Signature API Software

BoldSign vs Foxit eSign

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
Higher score BoldSign #2 in Digital Signature API Software 8.4/10 Free plan · paid from $5/user/mo (annual) · 30-day trial Free plan✓ 0 of 5 features Visit BoldSign
Foxit eSign #5 in Digital Signature API Software 7.1/10 Free plan · 14-day trial Free plan✓ 0 of 5 features Visit Foxit eSign

BoldSign leads on 0 checks, Foxit eSign on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBoldSign · 8.4/10
  • Free planboth

BoldSign scores higher on our rubric for digital signature api software: 8.4 against 7.1 out of 10; our editors rank them #2 and #5.

BoldSign is the better fit for API buyers prioritizing low cost and breadth. Foxit eSign is the better fit for teams wanting free, feature-rich e-signing.

  • BoldSign fits best

    API buyers prioritizing low cost and breadth

  • Foxit eSign fits best

    Teams wanting free, feature-rich e-signing

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature BoldSign 8.4/10 Visit ↗ Foxit eSign 7.1/10 Visit ↗
At a glance
Editor score 8.4 7.1
Ranking #2 in Digital Signature API Software #5 in Digital Signature API Software
Best for API buyers prioritizing low cost and breadth Teams wanting free, feature-rich e-signing
Pricing model Free plan + paid Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Free trial length 30 days · no card needed 14 days · no card needed
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Support Email, Live chat, Phone, Docs Email, Phone, Tickets, Docs
Compliance SOC 2, GDPR, HIPAA, SSO/SAML, 2FA SOC 2, GDPR, HIPAA, SSO/SAML, 2FA
Integrations 10 integrations 40+ integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features BoldSign 0/5 · Foxit eSign 0/5
Embedded signing Not published Not published
Identity verification Not published Not published
Workflow status API Not published Not published
Signed-file retrieval Not published Not published
Sandbox environment Not published Not published
Specs
SDK languages Not published Not published
Webhook event types Not published Not published
Our review
Pros
  • Free plan with 25 envelopes and audit trails
  • Embedded signing, requesting, templates, APIs, and SDK integrations
  • AI tools plus Salesforce, HubSpot, Zapier, and cloud storage integrations
  • Free plan plus legally binding paid eSignatures
  • Bulk sending, templates, authentication, and notarization
  • API embedding across web, iOS, and Android
Cons
  • Essential limits usage to 25 envelopes and two templates monthly
  • Bulk sending is an add-on on the Premium plan
  • Enterprise API includes 40 API envelopes per month
  • The free signing tool is explicitly non-legally-binding
  • Essentials limits users to 250 envelopes annually and 10 templates
  • Advanced business features are concentrated in higher tiers
Our verdict

BoldSign is an electronic-signature platform for individuals, small businesses, teams, and enterprises. It supports document-signing workflows, reusable templates, audit trails, signer authentication, configurable signing order, and…

Read the review →

Foxit eSign is an electronic-signature platform for individuals, growing teams, and enterprises. It supports document preparation, recipient assignment, legally binding signatures, progress tracking, and agreement retention with audit…

Read the review →
  1. BoldSignDigital Signature API Software 8.4Free plan · paid from $5/user/mo (annual) · 30-day trial
  2. Foxit eSignDigital Signature API Software 7.1Free plan · 14-day trial

Strengths and trade-offs

  • BoldSign — where it wins

    • Free plan with 25 envelopes and audit trails
    • Embedded signing, requesting, templates, APIs, and SDK integrations
    • AI tools plus Salesforce, HubSpot, Zapier, and cloud storage integrations

    Where it doesn't

    • Essential limits usage to 25 envelopes and two templates monthly
    • Bulk sending is an add-on on the Premium plan
    • Enterprise API includes 40 API envelopes per month

  • Foxit eSign — where it wins

    • Free plan plus legally binding paid eSignatures
    • Bulk sending, templates, authentication, and notarization
    • API embedding across web, iOS, and Android

    Where it doesn't

    • The free signing tool is explicitly non-legally-binding
    • Essentials limits users to 250 envelopes annually and 10 templates
    • Advanced business features are concentrated in higher tiers
  • BoldSign8.4/10 · Free plan · paid from $5/user/mo (annual) · 30-day trial

    A low-cost signing platform with broad workflow, integration, and API coverage.

    Visit BoldSignFull verdict →
  • Foxit eSign7.1/10 · Free plan · 14-day trial

    A broad e-signing platform with a free entry point, API embedding, and business workflows.

    Visit Foxit eSignFull verdict →

More comparisons

All digital signature API software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update