The Lacuna Project

lacuna (n.) a gap in a record where something should be

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Exhibit 678

Lobbying Disclosure Act API: filing counts by year and type

Exhibit 678 ยท Dataset query

Lobbying Disclosure Act API: filing counts by year and type

Count field read from the lda.gov API on 2026-11-10: filing_year 2004 type MM 14,922; 2005 MM 16,046 and YY 16,406; 2023 Q1 18,107 (originals, per type). Anonymous access is throttled (HTTP 429, about 15 requests a minute), and the older soprweb.senate.gov quarterly zips did not respond. National dollar totals by year were not derived.

Source
U.S. Congress (Lobbying Disclosure Act database, lda.gov)
Date
2026-11-10
Grade
Reported
Document
https://lda.gov/api/v1/filings/
Accessed
2026-11-10
Cited by
Findings citing this exhibit

Cited by

Finding POL-1.1
Open question The Lobbying Disclosure Act database returned 14,922 mid-year filings for 2004, 16,046 mid-year and 16,406 year-end filings for 2005, and 18,107 first-quarter filings for 2023. These are counts of filings and carry no dollar amounts.