AI Visibility Rankings · SaaS

Digital signature API platforms: AI search visibility ranking (2026)

By monitoraeo Last updated July 18, 2026 Refreshed every 30 days

How AI search engines rank digital signature api platforms by visibility and citations. 20 brands measured monthly across Google AI Mode: which brands the AI names in answers, which domains it cites as sources, and how the leaders compare. Digital signature API platforms used by product and legal teams to embed e-signature workflows, automate agreements, and build contract signing into applications. Composite score: 70% visibility (% of AI answers naming the brand) + 30% citation rate (% citing the brand's domain). Full methodology →

13%

Avg visibility across category

14%

Avg citation rate

20/20

Brands successfully audited

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When evaluating Digital signature API platforms, AI engines frequently point to DocuSign as the leader, with a staggering 75.0 percent visibility. Other notable mentions include PandaDoc and BoldSign, which are also often recommended as top choices. For buyers, these engines highlight DocuSign's dominant presence, suggesting it stands out in this competitive market.

The rankings are heavily influenced by sources like boldsign.com, signeasy.com, and turbodocx.com. These are primarily aggregator and review sites, which means they compile user reviews and expert opinions to guide their rankings. This aggregation can push certain brands upward when they consistently receive positive feedback across multiple domains.

For buyers looking to choose from this list, one key factor is to consider how often brands receive recent reviews and third-party validations. AI engines value platforms that are consistently validated as authoritative in the digital signature subcategory. This means the brands cited often have proven reliability and functionality, which is crucial for making an informed decision.

At a glance

Category leader DocuSign 75% visibility · named in 6 of 8 AI answers

Most cited brand SignEasy 75% citation rate · the AI's most-trusted source brand in digital signature api platforms

Top cited domain boldsign.com Referenced by AI across the digital signature api platforms query set — the highest-leverage PR target in this category

Visibility spread 75pp Gap between top and bottom of the ranking · 13 brands at 0% (invisible to the AI)

What we observed in this category

DocuSign leads the digital signature API platforms category with a visibility score of 75%, more than double the 37.5% of fourth-ranked Dropbox Sign and nearly six times the category average of 13.1%. PandaDoc has closed ground rapidly, jumping from 12.5% to 62.5% visibility in the current period, making the top two a clear tier above the rest. The 12.8-point composite score gap between DocuSign (56.2) and PandaDoc (47.5) is meaningful but narrowing, while every other brand sits below 32.5.

BoldSign presents the sharpest divergence between visibility and citation in this category. Its visibility sits at just 25%, below the category median, yet its citation rate of 50% is the highest among ranked brands with meaningful scores, placing boldsign.com as the top cited source overall. SignEasy and GetAccept show a similar pattern, both at 0% visibility but with citation rates of 75% and 62.5% respectively, meaning AI surfaces them as trusted references without naming them as featured answers. Box Sign shows the inverse, appearing at 37.5% visibility with zero citations.

All ten ranked brands share Google AI Mode as their top engine, confirming this category is almost entirely anchored in that single surface. The top cited sources list reinforces that AI is pulling from niche and third-party domains including boldsign.com, signeasy.com, turbodocx.com, signb.ee, and useanvil.com alongside review aggregator g2.com and youtube.com. The absence of docusign.com or pandadoc.com from the top cited sources list, despite their high visibility, suggests AI describes these brands from trained knowledge rather than live document retrieval.

Movers & shakers since last refresh

Biggest visibility risers

PandaDoc 12% → 62% · rank #4 → #2
+50pp
DocuSign 38% → 75% · rank #1 → #1
+38pp
Dropbox Sign 0% → 38% · rank #7 → #4
+38pp

Biggest visibility fallers

SignEasy 12% → 0% · rank #5 → #6
-12pp
SignNow 25% → 12% · rank #2 → #9
-12pp

The ranking

#	Brand	Visibility	Citation	Top engine
1	DocuSign docusign.com	75%	12%	Google AI Mode
DocuSign leads with 75% visibility, nearly 62 points above the category average of 13.1%, but its 12.5% citation rate is low relative to its dominant visibility position.
2	PandaDoc pandadoc.com	62%	12%	Google AI Mode
PandaDoc is the biggest riser in the category, growing visibility from 12.5% to 62.5%, yet its citation rate of 12.5% has not moved alongside that gain.
3	BoldSign boldsign.com	25%	50%	Google AI Mode
BoldSign has the highest citation rate among top-five brands at 50%, despite visibility of only 25%, and boldsign.com ranks as the number-one cited source in the category.
4	Dropbox Sign dropbox.com	38%	12%	Google AI Mode
Dropbox Sign rose three ranks and gained 37.5 visibility points this period, reaching 37.5% visibility, but its 12.5% citation rate matches the category average with no improvement.
5	Box Sign box.com	38%	0%	Google AI Mode
Box Sign holds 37.5% visibility, level with Dropbox Sign, but records a 0% citation rate, the only top-five brand receiving no citations at all from AI responses.
6	SignEasy signeasy.com	0%	75%	Google AI Mode
7	GetAccept getaccept.com	0%	62%	Google AI Mode
8	Eversign eversign.com	0%	50%	Google AI Mode
9	SignNow signnow.com	12%	0%	Google AI Mode
10	eSignatures.io esignatures.io	12%	0%	Google AI Mode
11	Zoho Sign zoho.com	0%	12%	Google AI Mode
12	Adobe Acrobat Sign adobe.com	0%	0%	Google AI Mode
13	OneSpan onespan.com	0%	0%	Google AI Mode
14	Yousign yousign.com	0%	0%	Google AI Mode
15	Foxit eSign foxit.com	0%	0%	Google AI Mode
16	Signable signable.co.uk	0%	0%	Google AI Mode
17	Secured Signing securedsigning.com	0%	0%	Google AI Mode
18	Signaturit signaturit.com	0%	0%	Google AI Mode
19	Sertifi sertifi.com	0%	0%	Google AI Mode
20	airSlate airslate.com	0%	0%	Google AI Mode

Sources AI engines trust in this category

Across the 8 buyer-intent queries we ran on digital signature api platforms, these are the domains Google AI Mode cited most often. If you're not on this list — or if your competitors are — that's a concrete PR / linkbuilding target.

boldsign.comsigneasy.comturbodocx.comsignb.eeuseanvil.comgetaccept.comg2.comyoutube.com

How to read this ranking

Four things worth knowing before you act on the numbers above. These are the same definitions across every industry page — for category-specific observations, see the What we observed section above (where available) and the per-brand insights inline in the ranking.

Visibility = being named

A brand's visibility % is the share of AI answers that mention it by name in the response prose. This is who AI engines actively recommend to the buyer. More on visibility →

Citation rate = being trusted

Citation rate is the share of AI answers that include the brand's domain as a clickable source link. This is what the AI treats as authoritative evidence, different from being named. More on citation rate →

Top engine differs by brand

The "top engine" column shows which AI surface each brand performs best on. Big gaps between a brand's score across engines usually points to specific content or schema gaps. How AI engines pick sources →

Rankings move month to month

AI engines re-crawl and re-rank on shorter cycles than classical search. We re-audit every brand on this list at least every 30 days and refresh this page automatically. How AI search ranking works →

Get your own digital signature api platforms brand audited

The brands above were curated from public market-leader lists. Want the same measurement against your own brand — including the queries you appear on, which competitors get named instead, and a prioritised fix list? Run a free preview.

Audit your digital signature api platforms brand → Browse all rankings Methodology →

Frequently asked about digital signature api platforms AI visibility

Who leads AI visibility in digital signature API platforms?

DocuSign leads with 75% visibility and a composite score of 56.2, well ahead of second-placed PandaDoc at 62.5% visibility and a composite score of 47.5.

Which brand has the highest citation rate in this category despite low visibility?

SignEasy holds the highest citation rate at 75% while recording 0% visibility, closely followed by GetAccept at 62.5% citation and also 0% visibility.

What sources does AI cite most for digital signature API platform research?

The top cited sources are boldsign.com, signeasy.com, turbodocx.com, signb.ee, useanvil.com, getaccept.com, g2.com, and youtube.com, with neither DocuSign nor PandaDoc appearing despite their high visibility.

Which engine dominates AI visibility in this category?

Google AI Mode is the top engine for all ten ranked brands in this category, with no other engine recorded as a primary source.

Which brand showed the biggest visibility drop in the most recent period?

SignNow fell the furthest in rank, dropping seven places from rank 2 to rank 9, with current visibility at 12.5% and a citation rate of 0%.

Is there a consistent relationship between visibility and citation rate in this category?

No, the data shows a clear divergence, with brands like BoldSign and SignEasy earning high citation rates at low or zero visibility, while Box Sign achieves 37.5% visibility with zero citations.