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Per-book status and last write age are in `books_detail`.","h2h_only_books":["rushbet"],"books_detail":[{"key":"betplay","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"bplay","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"codere","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"codere_mx","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"pinnacle","status":"active","rows_24h":173672,"last_write_age_s":13.7},{"key":"rushbet","status":"active","rows_24h":81386,"last_write_age_s":6.3}],"active_books":["pinnacle","rushbet"],"paused_books":[],"retired_books":[],"not_yet_integrated_books":["betplay","bplay","codere","codere_mx"],"unknown_books":[],"counts":{"declared":6,"odds_filter":6,"active":2,"paused":0,"retired":0,"not_yet_integrated":4}},{"key":"asia","name":"Asia","books":["188bet","nova88","pinnacle"],"odds_filter_books":["188bet","nova88","pinnacle"],"desc":"PAGCOR-licensed (Philippines) Asian-handicap operators. Asian markets prefer half-line spreads and totals over moneylines; books rarely publish 3-way ML. Writing prices in the last 24 hours: Pinnacle. Also declared: 2 not yet integrated. Per-book status and last write age are in `books_detail`.","books_detail":[{"key":"188bet","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"nova88","status":"not_yet_integrated","rows_24h":0,"last_write_age_s":null},{"key":"pinnacle","status":"active","rows_24h":173672,"last_write_age_s":13.7}],"active_books":["pinnacle"],"paused_books":[],"retired_books":[],"not_yet_integrated_books":["188bet","nova88"],"unknown_books":[],"counts":{"declared":3,"odds_filter":3,"active":1,"paused":0,"retired":0,"not_yet_integrated":2}}],"_note":"regions= can be a single value (e.g. regions=us) or comma- separated (regions=us,eu,uk). READ `active_books` FOR COVERAGE: it is every book this region declares that is in the published registry, is not suppressed or retired, and has written rows in the last 24h, computed per request from the same write counts /v1/meta/book-catalog uses. `books_detail` carries the same verdict per book as {key, status, rows_24h, last_write_age_s} with status one of active / paused / retired / not_yet_integrated, plus `unknown` when the evidence query itself failed (`evidence.available` false), in which case no book is claimed live. `books` is a different question: it is exactly what regions= narrows /v1/sports/{sport}/odds to, read from the allowlist that endpoint applies, and it includes books that return nothing; `odds_filter_books` is that same list under its older name and is kept so existing clients do not break. Having rows in a given SPORT is a third question, answered by /v1/meta/parser-coverage. WHY a book is `paused` is a fourth: this endpoint says only that nothing arrived in the window, which reads the same whether the league is between seasons, the book has stopped pricing what it used to price, or our own ingest for it is broken. /v1/meta/source-quality is the surface that separates 'the book is quiet right now' from 'our ingest is degraded'. Books we cover that no region carries are at /v1/bookmakers?all=true."}