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The Agencia Nacional de Minería (ANM) administers Colombia’s mining titles and applications. When it cannot notify a decision in person, it publishes a notice: an estado, an aviso, an edicto or a notice of general character, each listing the placas (mining title or application numbers) it concerns. There are about 19,000 of them since May 2020, from the headquarters in Bogotá and eleven regional offices. Search them by placa, office, kind or publication date, or with free text that reaches into the body of every notice, then read one in full.
The whole source, organized and ready to query: every endpoint on this page answers in milliseconds. Every response carries as_of: how current the data is. How datasets work.

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Search the notices

POST /co/anm/notices-search/v1 Dataset One search over every notice since May 2020, by placa, office, kind or date, or with free text over the full text.
Returns as_of (how current the data is), the applied filters, total (matches across every page), page, per_page, total_pages, count and results[], most recently published first. Every result carries id (the notice’s permanent identifier, e.g. GGDN-2026-P-0378.pdf), notice_number (e.g. GGDN-2026-EST-165), type (estado, aviso, edicto or caracter_general), office (the regional office, e.g. Bogotá), publication_date, year, title_numbers (every placa the notice covers), text_status (extracted, no_text_layer or unavailable) and document_url (the notice’s document as the ANM publishes it).
Search results leave out the text. query still matches against it, so a phrase from the body finds the notice; read the text itself with the ANM Notice endpoint.

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One notice, in full

POST /co/anm/notice/v1 Dataset
Returns as_of, found, notice_id and notice, which carries everything the search returns plus content: a window onto the notice’s full text, with text, offset, total_length, has_more and next_offset. Every result carries id (the notice’s permanent identifier, e.g. GGDN-2026-P-0378.pdf), notice_number (e.g. GGDN-2026-EST-165), type (estado, aviso, edicto or caracter_general), office (the regional office, e.g. Bogotá), publication_date, year, title_numbers (every placa the notice covers), text_status (extracted, no_text_layer or unavailable) and document_url (the notice’s document as the ANM publishes it).
content is null when text_status is no_text_layer (the ANM published the notice as an image) or unavailable; document_url still links the document.
An id the ANM has not published returns found: false with HTTP 200, not an error.

Full reference

Schemas, all response fields, and an interactive playground.