emerging · 0.1 market industry

Legal

Score 22.5 / 100 151 providers +21 via APIs 53 APIs Search apis.io →

Providers using this tag (151)

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

Strong 3 Solid coverage with minor gaps
LawVuCompanyLegal TechLegal Operations7 APIs58.6FilevineCase ManagementMatterIntake1 API57.4LawmaticsCRMLaw FirmsClient Intake1 API55.9
Developing 28 Usable, with meaningful gaps to close
2sAgentsAgentic Commercex402MCP1 API54.1LeanLawLegal BillingLaw FirmsTime Tracking1 API54.1AmbrCompanyAI AgentsAgentic CommerceContracts3 APIs53.7ClioBillingCalendaringDocument ManagementLaw Firms1 API53.3SingleFileCompanyComplianceEntity Management1 API52.5AgiloftContract Lifecycle ManagementContract ManagementProcurement3 APIs51.7LaurelCompanyArtificial IntelligenceTimekeepingTime Tracking3 APIs51.7GC AICompanyLegal AIContracts1 API51.6ActionstepPractice ManagementLaw FirmsMatter35 APIs51.3Confido LegalComplianceDisbursementsGraphQLIOLTA1 API51.0RelativityeDiscoveryDocument ReviewLegal Tech32 APIs47.9ApperioLegal Spend ManagementLegal TechE-Billing1 API45.4MitratechLegal OperationsEnterprise Legal ManagementMatter Management2 APIs45.4PolicyCheckCompanyPolicy AnalysisConsumer ProtectionE-Commerce2 APIs45.3LuminanceCompanyArtificial IntelligenceContracts3 APIs45.1KodexCompanyLaw EnforcementCompliance2 APIs45.0Robin AILegal TechContract ReviewContract Analysis1 API43.0Harbor ComplianceBusiness LicensingComplianceRegulatory1 API42.8i6eal Open AI Data APIArtificial IntelligenceOpen DataPublic PolicyRegulations1 API42.7SmokeballLaw FirmsPractice ManagementMatter1 API42.5Co-LegalLegal ResearchTaxCase Law2 APIs42.3OsmauraCompanyLegal TechArtificial Intelligence2 APIs41.5FormalityCompanyAi MlContract Management1 API41.0Trellis ResearchCompanyLegal ResearchCourt Records1 API40.8TonkeanCompanyArtificial IntelligenceProcess OrchestrationWorkflow Automation40.6legal.ge Public APIsLawLegal ServicesDirectory2 APIs40.4JuroContract ManagementContract Lifecycle ManagementContract LifecycleContract Automation1 API40.0KPMGConsultingAuditTax1 API39.6
Thin 29 Limited public surface area
PracticePantherLaw Practice ManagementCase ManagementBilling1 API39.0RelativityOneeDiscoveryLegal HoldDocument Management1 API39.0MyCaseBillingCalendaringCase ManagementClient Portal1 API38.5CourtListenerCourt DataCase LawPACER1 API37.3TratoCompanyContract ManagementContract Lifecycle ManagementElectronic Signature5 APIs37.1BankruptcyWatchBankruptcyComplianceCourt Data1 API36.0Rocket LawyerLegal TechLegal DocumentsElectronic Signature4 APIs35.6VistraComplianceCorporate ServicesEntity ManagementFinance1 API35.3LinkSquaresContract ManagementContract Lifecycle ManagementContractsArtificial Intelligence1 API34.7ContractbookContract ManagementContract Lifecycle ManagementContract Lifecycle1 API34.6Tailor BrandsCompanyBusiness FormationComplianceSmall Business1 API34.4MidpageCase LawLegal ResearchSearch1 API33.9OpenLawsLawStatutesRegulations2 APIs33.0CosmoLexLaw Practice ManagementMatter ManagementBilling1 API32.7LogikculleDiscoveryDocument ManagementLegal Hold1 API32.3SirionContract ManagementContract Lifecycle ManagementContractsArtificial Intelligence1 API32.1DISCOeDiscoveryLegal TechArtificial IntelligenceDocument Review1 API32.0LegalOnCompanyTechnologyLegal Tech1 API31.4EverlaweDiscoveryLitigationLegal TechDocument Review1 API31.0Truth SystemsCompanyArtificial IntelligenceAI GovernanceHallucination Detection1 API30.3Lex MachinaLegal AnalyticsLegal TechLitigation1 API29.9Administrative Office of the U.S. CourtsCourtsFederal GovernmentPACER2 APIs29.4BrightflagCompanyLegal OperationsLegal Spend Management1 API29.2Solve IntelligenceCompanyLegal TechIntellectual Property1 API28.6eCFRFederal RegulationsGovernmentCompliance1 API28.5TrellisCompanyLegal AnalyticsCourt Data1 API28.5Ironclad ClickwrapAgreementsComplianceContracts1 API28.3Australian Energy Market CommissionEnergyAustraliaEnergy MarketsElectricity1 API28.1StenoCompanyLegal TechCourt Reporting1 API27.0
Emerging 52 Early or largely undocumented
US Court of Appeals for the Federal CircuitFederal GovernmentPatent LawFederal Courts3 APIs25.8DeloitteConsultingAuditTax25.0Trust & WillCompanyEstate PlanningWills And TrustsProbate24.7Free Law ProjectCourtsJusticeTransparency1 API24.3DraftWiseCompanyBusiness ApplicationsLegal Tech23.7HenchmanLegal TechContract DraftingClause Search1 API22.9ConcordContract ManagementContract Lifecycle ManagementContractsAgreements1 API22.5Vals AiCompanyArtificial IntelligenceLLMEvaluation21.9EpiqeDiscoveryBankruptcyClass Action3 APIs21.2AlmaCompanyImmigrationLegal Tech20.8DarrowCompanyLegal IntelligenceLitigation20.1DraftPilot.aiCompanyLegal TechContracts20.0Blue JCompanyArtificial IntelligenceTax19.5AlineCompanyLegal TechLegal AI19.0Genie AICompanyArtificial IntelligenceLegal Tech18.6LitifyLaw FirmsMatter ManagementIntake Management2 APIs18.4Case StatusCompanyLegal TechClient Communication17.5LegalOSCompanyLegal TechImmigration17.5LeahCompanyArtificial IntelligenceAI AgentsContract Lifecycle Management17.4SupioCompanyLegal TechArtificial Intelligence17.3PointoneCompanyLegal TechPractice Management17.2MoritzCompanyLegal TechLaw Firms15.9TypeLawCompanyLegal TechDocument Automation15.8LexisNexisRisk ManagementIdentity VerificationFraud Prevention3 APIs15.6VallorCompanyContract ManagementContract Lifecycle ManagementProcurement15.4WordsmithLegal TechLegal AIIn-House Legal2 APIs15.4ClerkyCompanyLegal TechStartups15.2JusticeTextCompanyLegal TechCriminal Justice14.8Manifest LawCompanyLegal TechCase Management1 API14.8TradespaceCompanyIntellectual PropertyPatentsIP Management14.7EudiaCompanyLegal TechArtificial Intelligence14.6General LegalCompanyLaw FirmsLegal Tech14.5EveCompanyLegal AILegal Tech14.2LizzyaiCompanyLegal AIGenerative AI14.0HeadnoteCompanyLegal TechPayments13.7PACER Case Locator (PCL)CourtsFederal CasesGovernment1 API13.6NexMindCompanyLegal AILegal Research13.4Thomson ReutersTaxFinanceRisk Management6 APIs13.4Norm AiCompanyAi AppsCompliance13.1AlexiLegal TechLegal AILitigation13.0Harbor GlobalCompanyLegal TechLegal OperationsConsulting12.9WexlerCompanyLegal TechArtificial Intelligence12.9PaladinCompanyLegal TechPro Bono12.8AjaxCompanyLegal TechTimekeeping12.7Billables AiCompanyLegal TechTime Tracking12.6QanoniahCompanyLegal TechArtificial Intelligence12.6LawTradesCompanyLegal ServicesLegal Operations12.3Bench IQCompanyLegal TechArtificial Intelligence12.1Total Attorneys (Internet Brands)CompanyLegal MarketingLead Generation11.7Foreign Claims Settlement CommissionAdjudicationClaimsFederal GovernmentInternational Claims11.2Finch LegalCompanyArtificial IntelligenceLegal Tech11.1Internet BrandsCompanyDigital MediaHealth11.1
Minimal 39 Almost no public developer surface
Federal Mine Safety and Health Review CommissionFederal GovernmentMine SafetyAdjudicationOccupational Safety10.8AtticusCompanyConsumerLegal Tech10.6ClassActionCompanyLegal TechClass Action10.5Federal Labor Relations AuthorityFederal GovernmentLaborLabor-RelationsCollective-Bargaining1 API10.3Demander JusticeCompanyConsumerLegal Tech9.7LegalZoomLegal TechBusiness FormationLLC Formation9.4ScorpionCompanyMarketingAdvertisingDigital Marketing9.3CourtListenerNon-ProfitOpen DataCourtListener1 API9.1LEAPLegal TechPractice ManagementLegal Accounting5 APIs9.1Morgan LewisLaw FirmsAm Law 10Employee Benefits8.8Paxton AILegal AILegal TechLegal Research7.7LawhiveCompanyLegal ServicesLegal Tech7.3Vector LegalCompanyLegal TechLaw Firms6.7EvenUpLegal TechPersonal InjuryPlaintiff Law6.4Fox RothschildLaw FirmsProfessional ServicesBlog21 APIs6.3LexooLegal ServicesContract ReviewCompliance2 APIs6.0ElMetrCompanyLegal ServicesLegal Tech5.5LexyomCompanyLegal ServicesLaw Firms5.5AndcoCompanyLegal TechPersonal Injury5.4Duane MorrisAntitrustAppellateArbitrationBanking4.9Mediacao OnlineCompanyLegal TechOnline Dispute ResolutionMediation4.8Saul EwingLaw FirmsLitigationCorporate4.4CrosbyCompanyAi AppsLegal TechContract Review4.1CasetextLegal TechLegal ResearchCase Law4.0FormallyCompanyVertical SoftwareLegal Tech3.8LawdingoCompanyLegal TechLegal Services3.7LegalPadCompanyImmigrationWork Visas3.6RPXCompanyEnterprisePatentsIntellectual Property3.4WevorceCompanyLegal TechDivorce3.4ArbiLexCompanyLegal TechLitigation Finance3.3NexLPCompanyLegal TechArtificial Intelligence3.3WillingCompanyEstate PlanningWills3.1Ballard SpahrBankingBankruptcyClass ActionCommercial Litigation2.9Arcos LabsCompanyLegal TechArtificial Intelligence2.5Court BuddyCompanyLegal ServicesLegal Tech2.5DolphinSearchCompanyeDiscoveryCompliance2.5Manifest OSCompanyArtificial IntelligenceLegal Tech2.5DechertAntitrustArbitrationArtificial IntelligenceAsset Management2.4GoodlegalCompanyLegal TechDocument Automation0.0

APIs with this tag (51)

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 4 Complete, well-documented, and agent-ready
OpenMercantil Legal APISpanish mercantile-law layer (derecho mercantil): legislation corpus + article texts + act→norm bridge. Dis...80.6Adobe Sign APIIntegrate e-signature workflows and document signing.78.3Google Vault APIThe Google Vault API provides programmatic access to Vault functionality, enabling retention management, le...70.1Docusign Notary APIThe Docusign Notary API enables developers to manage remote online notary tasks programmatically. It provid...69.8
Strong 12 Solid coverage with minor gaps
Google Vault APIManage eDiscovery for your organization including matters, holds, and exports across Google Workspace servi...60.51Fort Legal APILegal documents and agreements. **Access:** requires a JWT access token.58.2ParlayAPI Legal APIThe Legal API from ParlayAPI — 7 operation(s) for legal.57.8Filevine Contacts APIManage the global Filevine contact list and project-scoped contact attachments. Contacts represent clients,...57.4Filevine Deadlines APIManage the date-driven legal milestones on a project — statutes of limitations, court dates, response deadl...57.4Filevine Documents APIUpload, list, and read documents attached to Filevine projects. Documents support folders, tags, versioning...57.4Filevine Identity APIExchange a Filevine Personal Access Token (PAT) for a short-lived bearer access token used to call the File...57.4Filevine Notes APIAppend, edit, and read project notes and activity items. Notes carry a typed kind (note, task, portal messa...57.4Filevine Projects APIList, create, read, and update Filevine projects (matters/cases). Each project belongs to a project type, c...57.4Filevine Tasks APIList, create, and update assignable to-do items on a project with status, priority, due dates, and completi...57.4Filevine Webhooks APIManage organization webhook subscriptions and receive event callbacks (project.created, project.updated, do...57.4Pomo Legal APIThe legal API from Pomo — 1 operation(s) for legal.55.7
Developing 11 Usable, with meaningful gaps to close
Automattic Legal APIThe legal API from Automattic — 1 operation(s) for legal.53.9Ambr REST APIJSON REST API at https://getamber.dev/api/v1 for the full mandate lifecycle: list templates (public), creat...53.7Clio WebhooksClio Webhooks deliver near real-time notifications when matters, contacts, activities, tasks, calendar entr...53.3Nuix Discover Connect APIGraphQL-based API for querying and managing discovery data within Nuix Discover, supporting queries and mut...47.0Kodex Request Portal APIThe Request Portal (Targets / Data Production) API creates and manages data requests and automates producin...45.0NDA Data Export APIExports non-disclosure agreement data from SAP Ariba for compliance tracking and legal management.45.0Contracts APIManage contracts within the strategic sourcing platform, including creation, retrieval, and updates. Versio...43.3CrunchDAO Legal APIThe legal API from CrunchDAO — 2 operation(s) for legal.41.4Formality APIThe Formality REST API exposes the workspace contract repository so external tools and AI agents can retrie...41.0Caselaw Access Project bulk data (Harvard Library Innovation Lab)Harvard Law School Library Innovation Lab's digitization of US case law, served as static bulk data organiz...40.2Perma.cc API (Harvard Library Innovation Lab)Perma.cc is the Harvard Law School Library Innovation Lab's link-rot service, creating permanent citable ar...40.2
Thin 12 Limited public surface area
MyCase WebhooksMyCase Webhooks deliver event notifications when records change in the MyCase platform (for example case, e...38.5CosmoLex APIWeb services API for CosmoLex legal practice management. Enables programmatic access to matters, time entri...32.7Logikcull APIREST API for programmatic access to Logikcull's eDiscovery platform, enabling document upload, project mana...32.3LegalOn Contract APIREST API for the LegalOn contract platform. Documented capabilities cover contract file operations (upload,...31.4Everlaw REST APIThe Everlaw REST API provides programmatic access to the Everlaw eDiscovery platform, enabling automation o...31.0Quantum Art Legal APIThe Legal API from Quantum Art — 1 operation(s) for legal.30.7Brightflag APIOAuth 2.0 secured REST API (OpenAPI 3.1) for Brightflag's enterprise legal management platform. Includes a ...29.2CoreLogic Australia Content APIServes the legal disclaimers that licensees are contractually required to display alongside CoreLogic data,...29.2Trellis Trial Court Data APIProgrammatic access to Trellis's state and federal trial court dataset: Smart Search over rulings, dockets ...28.5VersusGame Legal APIThe Legal API from VersusGame — 5 operation(s) for legal.28.1Steno Integration APIThe private, organization-scoped HTTP API behind Steno's first-party case-management integrations. The Sten...27.0Equal Access to Justice Act (EAJA) DatabaseACUS maintains an online database of Equal Access to Justice Act (EAJA) awards, tracking awards of attorney...26.2
Emerging 12 Early or largely undocumented
Federal Circuit Case RecordsCase information and records for the U.S. Court of Appeals for the Federal Circuit. Cases filed on or after...25.8Federal Circuit Opinions and OrdersPublic access to U.S. Court of Appeals for the Federal Circuit opinions, orders, and judgments. Includes pr...25.8PACER - Public Access to Court Electronic RecordsPublic Access to Court Electronic Records (PACER) provides online access to U.S. Federal Court case and doc...25.8Carta Issuer APIAllows law firms and technology partners to retrieve cap table data on behalf of companies, supporting lega...25.1Henchman Clause and Definition SearchSearches a firm's extracted clauses and definitions across its connected contract database, with intelligen...22.9Henchman Knowledge BaseBuilds and maintains a searchable knowledge layer over a firm's precedent contracts by extracting clauses a...22.9LexisNexis Developer PortalThe LexisNexis Developer Portal provides access to legal research and content APIs, allowing partners to in...15.6Aderant Legal Business Management APIAderant provides comprehensive business management software for law firms and professional services organiz...14.9PACER Case Locator (PCL) APIThe PACER Case Locator (PCL) API allows users to programmatically search the nationwide index of federal co...13.6Thomson Reuters HighQ APIHighQ APIs support document synchronization between HighQ and external document management systems, enablin...13.4Thomson Reuters Legal Tracker APILegal Tracker API enables users to create and manage legal matters, invoices, budgets, and vendor relations...13.4Thomson Reuters Westlaw APIAccess Westlaw legal research content including case law, statutes, regulations, and secondary sources. Inc...13.4

Companies reaching this through an API (21)

These companies publish an API, specification or operation carrying “Legal” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

1Fort Administrative Conference of the United States Adobe Suite Ariba Automattic Carta CoreLogic Australia CrunchDAO Docusign Google Google Workspace Harvard University Hive Agent IQ Nuix OpenMercantil ParlayAPI Pomo Quantum Art Roper Technologies Scout RFP (Workday Strategic Sourcing) VersusGame

Score breakdown

Frequency
63.5
log-scaled weighted occurrences
Breadth
3.9
spread across providers
Quality lift
28.4
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag sits

151 providers carry this tag directly, and 235 counting the 6 narrower tags below — 84 more to reach.

Matter Management 10 providers Legal Tech 161 providers Law Firms 32 providers Litigation 25 providers Legal AI 18 providers eDiscovery 13 providers

Related tags

Legal Tech 88 co-occurrences Law Firms 25 co-occurrences Litigation 20 co-occurrences Contract Lifecycle Management 17 co-occurrences Legal Services 14 co-occurrences Contracts 22 co-occurrences Legal AI 13 co-occurrences Contract Management 14 co-occurrences

Where this tag comes from

Api tag53
Provider tag151
Openapi tag7
Openapi op tag23

Cohort brief

Auto-generated

The 144 providers in the APIs.io catalog tagged Legal, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
144
all scored
Mean Kin Score
24.1
+1.2 vs catalog 22.9
Mean Agent Readiness
12.7
+0.8 vs catalog 11.9
Spread
2.4–58.6
median 19.8 · σ 15.5
How the 144 split by band
Exemplar 0Strong 3Developing 28Thin 29Emerging 52Minimal 32
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 32 26.5 +5.5 144
Discoverability 59.6 58.1 +1.5 144
Contract Quality 18.6 17.6 +1 144
Contract Governance 6.7 6.3 +0.4 144
Operational Transparency 13.9 13.7 +0.2 144
Developer Ergonomics 20.7 23.2 -2.5 144

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 19% 14% +5
MCP server (first-party) 19% 12% +7
Agent Skills 0% 0% 0
OAuth scopes 8% 11% -3
Security 100% 98% +2
Arazzo workflows 0% 2% -2
Governance rules 10% 14% -4

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 LawVu 58.6
  2. 2 Filevine 57.4
  3. 3 Lawmatics 55.9
  4. 4 2s 54.1
  5. 5 LeanLaw 54.1
  6. 6 Ambr 53.7
  7. 7 Clio 53.3
  8. 8 SingleFile 52.5
  9. 9 Agiloft 51.7
  10. 10 Laurel 51.7
Top by Agent Readiness
  1. 1 GC AI 58.8
  2. 2 Actionstep 50
  3. 3 LawVu 49.3
  4. 4 OpenLaws 47.4
  5. 5 2s 47.3
  6. 6 Lex Machina 47.1
  7. 7 Trellis Research 44.6
  8. 8 Concord 44.6
  9. 9 LeanLaw 42.3
  10. 10 Lawmatics 40
All 151 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 5 October 2026, across 29093 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

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

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