# Change history: Deep Research

[← Changelog](/docs/changelog). Entries: 10.

- 2026-09-30 [NEW-0930-13: Bitrix24 account web search settings — advanced mode and a daily spend cap](/docs/changelog/2026-09-30#new-0930-13-bitrix24-account-web-search-settings-advanced-mode-and-a-daily-spend-cap)
- 2026-09-14 [FIX-0914-23: rate limit descriptions state the platform-wide cap and point at the header with the effective value](/docs/changelog/2026-09-14#fix-0914-23-rate-limit-descriptions-state-the-platform-wide-cap-and-point-at-the-header-with-the-effective-value)
- 2026-09-13 [FIX-0913-4: the account freeze is checked for an application key even without a user session](/docs/changelog/2026-09-13#fix-0913-4-the-account-freeze-is-checked-for-an-application-key-even-without-a-user-session)
- 2026-08-31 [FIX-0831-3: search and research through the Linkup provider](/docs/changelog/2026-08-31#fix-0831-3-search-and-research-through-the-linkup-provider)
- 2026-07-23 [FIX-0723-11: Search and research no longer return 402 INSUFFICIENT_BALANCE on a funded account](/docs/changelog/2026-07-23#fix-0723-11-search-and-research-no-longer-return-402-insufficient_balance-on-a-funded-account)
- 2026-07-14 [FIX-0714-6: Rate limit for `/v1/search`, `/v1/research`, `/v1/batch` is now per-account](/docs/changelog/2026-07-14#fix-0714-6-rate-limit-for-v1-search-v1-research-v1-batch-is-now-per-account)
- 2026-07-14 [FIX-0714-19: `/v1/ai/credentials*` rate limits are now per-account; `CREDENTIAL_NOT_FOUND` carries a hint](/docs/changelog/2026-07-14#fix-0714-19-v1-ai-credentials-rate-limits-are-now-per-account-credential_not_found-carries-a-hint)
- 2026-07-02 [NEW-0702-7: Research price in the key self-description and the required top-up in the 402 body](/docs/changelog/2026-07-02#new-0702-7-research-price-in-the-key-self-description-and-the-required-top-up-in-the-402-body)
- 2026-06-30 [NEW-0630-9: Web search: full page text, images, news mode, and research domain filters](/docs/changelog/2026-06-30#new-0630-9-web-search-full-page-text-images-news-mode-and-research-domain-filters)
- 2026-06-29 [BC-0629-3: vibe-search provider slug removed](/docs/changelog/2026-06-29#bc-0629-3-vibe-search-provider-slug-removed)