Search newsletters

Search the index by topic, title or author, with filters for language, subscriber count, engagement, platform, publishing model and cadence.

get/api/search/publications

Request

  • Base URL: https://api.reletter.com
  • URL: https://api.reletter.com/api/search/publications
  • Auth: API key in header x-reletter-api-key

Query parameters

querystring required

Search query.

mode'topics' | 'titles' | 'authors'

What to match against.

pageinteger

Page number.

per_pageinteger

Results per page (max 100).

filtersstring

Comma-separated filters, each name:operator:value (max 20). Examples: active:is:true, subscribers:gte:5000, languages:any:en, platforms:any:substack-beehiiv, sort:eq:subscribers. Full grammar: https://reletter.com/llms-full.txt

Response

Success.

Changes

No recorded changes to this operation across all 1 revision of this API.