niche · 1.1 market domain

Digital Signature

Score 19.0 / 100 14 providers 2 APIs Search apis.io →
Variants seen in the corpus: Digital SignaturesDigital Signature

Providers using this tag (14)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 3 Complete, well-documented, and agent-ready
Hive CivilizationAgentsAgentic CommerceA2AMCP3 APIs72.7AlgoVoiPaymentsAgentic Commercex402A2A5 APIs69.6Tvarka ATK APIAuthenticationeIDASQES4 APIs69.2
Strong 3 Solid coverage with minor gaps
CertifactionCompanyAi Enterprise SoftwareE-Signature2 APIs57.5SwisscomTelecommunicationsSwitzerlandMobile Network OperatorBroadband2 APIs63.8YouSignE-SignatureeIDASEurope1 API54.6
Developing 5 Usable, with meaningful gaps to close
KeynuaCompanyE-SignatureIdentity Verification1 API48.9WunderiteCompanyInsuranceInsurtechACORD Forms1 API49.6SadqCompanyE-SignatureIdentity1 API44.9CubistCompanyDeveloper ToolsKey ManagementWallets1 API43.6InkitDocument GenerationPDFTemplates1 API41.7
Thin 2 Limited public surface area
Zoho SignE-SignatureDocument ManagementSignature Workflows1 API38.8Adobe Acrobat SignE-SignatureDocument WorkflowAdobe1 API34.4
Emerging 1 Early or largely undocumented
Freja eIDIdentityAuthenticationEU1 API18.3

APIs with this tag (2)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 2 Complete, well-documented, and agent-ready
Infor Document Management (IDM) APIThe Infor Document Management REST API, published on the Infor Developer Portal at developer.infor.com/api ...70.7Tvarka Sign APIMachine channel for Tvarka Sign: post a document and a list of signers and Tvarka runs its ordinary qualifi...69.2

Score breakdown

Frequency
33.8
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
51.8
mean composite of providers using it
Cohesion
0.7
strength of nearest seed neighbor

Related tags

E-Signature 6 co-occurrences Compliance 6 co-occurrences Webhook 5 co-occurrences Company 5 co-occurrences

Where this tag comes from

Provider tag15
Api tag2

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/digital-signature"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/digital-signature"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/digital-signature/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.