diff --git a/scripts/import-camara-speeches.mjs b/scripts/import-camara-speeches.mjs
index 02b750ac..7864a492 100644
--- a/scripts/import-camara-speeches.mjs
+++ b/scripts/import-camara-speeches.mjs
@@ -47,6 +47,7 @@ import {
   LEGISLATURE_RANGES,
   SOLLA_DEPUTY_ID,
   aggregateBackfillRuns,
+  dateRangeChunks,
   legislatureForDate,
   matchExcerpt,
   parseDurationToSeconds,
@@ -227,7 +228,7 @@ async function loadEventPage(eventId, options) {
   return html
 }
 
-async function fetchSpeeches(deputyId, from, to) {
+async function fetchSpeechesRange(deputyId, from, to) {
   const speeches = []
   for (let page = 1; ; page += 1) {
     const body = await getJsonWithBackoff(`${speechesUrl(deputyId, from, to)}&pagina=${page}`, {
@@ -242,6 +243,32 @@ async function fetchSpeeches(deputyId, from, to) {
   return speeches
 }
 
+/**
+ * Lista a faixa inteira; se a API recusar uma página funda (500/hang
+ * persistente, visto na 55ª em 2026-09-13), cai para a listagem por ano — cada
+ * chunk é raso e um ano quebrado não derruba os demais. Os chunks que falharem
+ * são reportados via `onWarning` (o run os registra como falha de `list`).
+ */
+async function fetchSpeeches(deputyId, from, to, onWarning = () => {}) {
+  try {
+    return await fetchSpeechesRange(deputyId, from, to)
+  } catch (error) {
+    onWarning(`listagem ${from}..${to} falhou (${error?.message}); tentando por ano`)
+    const speeches = []
+    let listedChunks = 0
+    for (const [chunkFrom, chunkTo] of dateRangeChunks(from, to)) {
+      try {
+        speeches.push(...(await fetchSpeechesRange(deputyId, chunkFrom, chunkTo)))
+        listedChunks += 1
+      } catch (chunkError) {
+        onWarning(`listagem ${chunkFrom}..${chunkTo} falhou: ${chunkError?.message}`)
+      }
+    }
+    if (listedChunks === 0) throw error
+    return speeches
+  }
+}
+
 // ---------------------------------------------------------------------------
 // Pipeline
 // ---------------------------------------------------------------------------
@@ -638,7 +665,9 @@ const runLegislature = async (payload, options, { legislature, from, to, label }
   const startedAt = Date.now()
   console.log(`\n[camara:import] === ${label} (${from}..${to}) ===`)
 
-  const speeches = await fetchSpeeches(SOLLA_DEPUTY_ID, from, to)
+  const speeches = await fetchSpeeches(SOLLA_DEPUTY_ID, from, to, (message) => {
+    run.failures.push({ sourceKey: null, speechAt: null, stage: 'list', message })
+  })
   const targets = options.limit === null ? speeches : speeches.slice(0, options.limit)
   console.log(`[camara:import] ${speeches.length} discursos na API; processando ${targets.length}`)
   if (targets.length === 0) throw new Error(`nenhum discurso em ${from}..${to}.`)
diff --git a/scripts/lib/camaraSpeeches.mjs b/scripts/lib/camaraSpeeches.mjs
index 65580c4f..01698860 100644
--- a/scripts/lib/camaraSpeeches.mjs
+++ b/scripts/lib/camaraSpeeches.mjs
@@ -399,6 +399,33 @@ export const normalizeTranscription = (json) => {
   }
 }
 
+/**
+ * Splits an inclusive `YYYY-MM-DD` range into calendar-year chunks (no
+ * overlap; first/last partial). The backfill fallback uses it when the API
+ * refuses a deep page: a shallow per-year listing still recovers the years
+ * the broken offset does not cover.
+ *
+ * @param {string} from
+ * @param {string} to
+ * @returns {Array<[string, string]>}
+ */
+export const dateRangeChunks = (from, to) => {
+  const chunks = []
+  if (!/^\d{4}-\d{2}-\d{2}$/.test(String(from)) || !/^\d{4}-\d{2}-\d{2}$/.test(String(to))) {
+    return chunks
+  }
+  let start = String(from)
+  while (start <= String(to)) {
+    const yearEnd = `${start.slice(0, 4)}-12-31`
+    const end = yearEnd < String(to) ? yearEnd : String(to)
+    chunks.push([start, end])
+    const next = new Date(`${end}T00:00:00Z`)
+    next.setUTCDate(next.getUTCDate() + 1)
+    start = next.toISOString().slice(0, 10)
+  }
+  return chunks
+}
+
 /** Numeric blocks of one run that `aggregateBackfillRuns` folds together. */
 const BACKFILL_TOTAL_KEYS = [
   'listed',
diff --git a/tests/unit/camaraSpeeches.unit.spec.ts b/tests/unit/camaraSpeeches.unit.spec.ts
index 8837e70c..b878d3c7 100644
--- a/tests/unit/camaraSpeeches.unit.spec.ts
+++ b/tests/unit/camaraSpeeches.unit.spec.ts
@@ -6,6 +6,7 @@ import {
   aggregateBackfillRuns,
   buildVodUrl,
   clockToSeconds,
+  dateRangeChunks,
   legislatureForDate,
   matchExcerpt,
   normalizeSpeakerName,
@@ -634,3 +635,25 @@ describe('selectLinkSample', () => {
     ).toEqual([])
   })
 })
+
+describe('dateRangeChunks', () => {
+  it('splits a multi-year range into non-overlapping calendar years', () => {
+    expect(dateRangeChunks('2015-02-01', '2019-01-31')).toEqual([
+      ['2015-02-01', '2015-12-31'],
+      ['2016-01-01', '2016-12-31'],
+      ['2017-01-01', '2017-12-31'],
+      ['2018-01-01', '2018-12-31'],
+      ['2019-01-01', '2019-01-31'],
+    ])
+  })
+
+  it('handles a single day and an exact year without spilling over', () => {
+    expect(dateRangeChunks('2023-02-07', '2023-02-07')).toEqual([['2023-02-07', '2023-02-07']])
+    expect(dateRangeChunks('2023-01-01', '2023-12-31')).toEqual([['2023-01-01', '2023-12-31']])
+  })
+
+  it('returns no chunks for malformed dates', () => {
+    expect(dateRangeChunks('2023-1-1', '2023-12-31')).toEqual([])
+    expect(dateRangeChunks('', '2023-12-31')).toEqual([])
+  })
+})