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Lex Machina Federal Appeals Cases API

Federal court of appeals cases.

Lex Machina Federal Appeals Cases API is one of 21 APIs that Lex Machina publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Federal Appeals Cases. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and authentication docs.

This API exposes 6 operations across 6 paths, and defines 37 schemas. It is described by OpenAPI 3.1.0, at version 20260324.

Requests are made against a single base URL, https://api.lexmachina.com.

6 operations 6 paths 37 schemas 5 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
20260324
Base URL
https://api.lexmachina.com
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Lex Machina Federal Appeals Cases API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (JwtAccessBearer).

Paths & Operations 6

Across 6 paths, the API surfaces 6 operations — 5 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Federal Appeals Cases 6

Federal court of appeals cases.

GET
/appeals-cases/{appeals_case_id}
Get Appeals Case
get_appeals_case 2 params → 200401404422
GET
/list-appealability-rulings
List Appealability Rulings
list_appealability_rulings → 200401404422
GET
/list-appellate-decisions/FederalDistrict
List Appellate Decisions
list_appellate_decisions → 200401404422
GET
/list-originating-venues/FederalAppeals
List Originating Venues
list_originating_venues → 200401404422
GET
/list-supreme-court-decisions/FederalAppeals
List Supreme Court Decisions
list_supreme_court_decisions → 200401404422
POST
/query-appeals-cases
Query Appeals Cases
query_appeals_cases body → 200401404422

Schemas 37

The contract defines 37 schemas that model the data the API accepts and returns. The most detailed are AppealsCaseData (17 properties), AppealsCaseQuery (15 properties), AppealsLawFirmFilter (12 properties), AppealsPartyFilter (12 properties). Each schema is shown below with its type and property counts.

AppealsCaseQuery
object
15 properties
CaseResolution
object
3 properties 3 required
DocketEntry
object
5 properties 5 required
SupremeCourtOrRehearingDecision
object
4 properties 2 required
Attorney
object
4 properties 4 required
TimingFilter
object
2 properties
Court
object
2 properties 2 required
AppealsCaseDates
object
3 properties 2 required
AppealsCaseData
object
A single case from a federal district appeals court case and relevant metadata.
17 properties 16 required
CaseStatus
string
AppealsLawFirmFilter
object
12 properties
Ordering
string
OriginatingCasesFilter
object
4 properties
AppealsAttorneyFilter
object
12 properties
ResolutionsFilter
object
2 properties
CourtFilter
object
2 properties
OriginatingDistrictCaseFilter
object
2 properties
LawFirm
object
3 properties 3 required
DocketEntriesIncludedInOutput
string
CourtType
string
FederalJudge
object
2 properties 2 required
AppealsCaseDatesFilter
object
3 properties
AppealsCaseQueryResult
object
1 property 1 required
MagistrateJudge
object
2 properties 2 required
IndividualResolutionsFilter
object
2 properties
Docket
object
3 properties 3 required
OriginatingVenuesList
object
2 properties 1 required
OriginatingVenuesFilter
object
2 properties
OriginatingCaseTypesFilter
object
2 properties
JudgeFilter
object
2 properties
SupremeCourtDecisionsFilter
object
2 properties
OriginatingJudgeFilter
object
1 property
AppealsPartyFilter
object
12 properties
CaseTagsFilter
object
2 properties
Party
object
3 properties 3 required
AppealsCaseReference
object
2 properties 2 required
OriginatingDistrictCourtCase
object
4 properties 4 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

lex-machina-federal-appeals-cases-api-openapi.yml Raw ↑

Other APIs Lex Machina publishes across the network.

Lex Machina Alerts API
Lex Machina Analytics API
Lex Machina Attorneys API
Lex Machina Authorization API
Lex Machina Bankruptcy Cases API
Lex Machina Case Query API
Lex Machina Dockets API
Lex Machina Entities API
Lex Machina Federal District Cases API
Lex Machina Find API
Lex Machina ITC Investigations API
Lex Machina Judges API
Where this information came from

This is an independent, third-party profile of Lex Machina Federal Appeals Cases API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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