LawLinter

Endpoints

Lawmakers API

Retrieve lawmaker profile data, sponsor/cosponsor activity, vote context, and campaign-finance context when FEC bridges are available.

Auth

Authorization: Bearer API key

Current base

/api/legislative

Version target

/api/v1

Lawmaker profiles

Current development endpoint for legislator profile pages.

GET/api/legislative/legislators/{bioguideId}

Legislator detail

Returns public lawmaker profile data, terms, sponsored bills, vote rollups, graph links, contact information, and campaign-finance context when linked.

currentdeveloper_free or higher

Source

Congress.gov, House votes, FEC context where linked

Scopes

legislators:read

Request example

curl -H "Authorization: Bearer $LAWLINTER_API_KEY" "https://example.com/api/legislative/legislators/V000128"

Response example

{
  "legislator": {"bioguideId": "V000128", "fullName": "Christopher H. Smith"},
  "terms": [],
  "sponsoredBills": [],
  "financeContext": []
}
GET/api/legislative/legislators/{bioguideId}/finance

Lawmaker campaign-finance context

Returns aggregate candidate and committee campaign-finance context related to a lawmaker through deterministic FEC candidate bridges. These totals do not imply influence or causation.

currentdeveloper_free or higher

Source

FEC/OpenFEC and lawmaker bridge tables

Scopes

legislators:read

Request example

curl -H "Authorization: Bearer $LAWLINTER_API_KEY" "https://example.com/api/legislative/legislators/V000128/finance"

Response example

{
  "legislator": {"bioguideId": "V000128", "fullName": "Example Lawmaker"},
  "financeContext": {
    "notice": "Campaign-finance context uses source-attributed FEC/OpenFEC records that are related or relevant...",
    "candidateSummaries": [
      {
        "fecCandidateId": "H8NJ04014",
        "name": "SMITH, CHRISTOPHER H",
        "cycle": 2026,
        "totalReceipts": 483925,
        "confidence": 92
      }
    ],
    "committeeSummaries": [],
    "contextCounts": [{"value": "candidate", "count": 1}]
  },
  "notice": "Campaign-finance context uses source-attributed FEC/OpenFEC records that are related or relevant..."
}
  • Relationship confidence is included where bridge data provides it.
  • Totals describe related campaign-finance records for the lawmaker, not influence, causation, or endorsement.

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