Timeslips API
No public API. Sage Timeslips is Windows desktop software whose data lives in a local or networked database, and integration is limited to prebuilt QuickBooks, Sage 50, and legacy practice-management connectors. Billing and time data has no programmatic exit.
Frequently asked questions
Timeslips scores F on the API Report Card. No public API. Sage Timeslips is Windows desktop software whose data lives in a local or networked database, and integration is limited to prebuilt QuickBooks, Sage 50, and legacy practice-management connectors. Billing and time data has no programmatic exit.
Without a usable official API, teams fall back on manual exports, file drops, or one-off vendor integrations. The other option is an unofficial API layer like Supergood that automates the authenticated web app directly.
Sage Timeslips is a Windows desktop time-tracking and billing application for legal and professional-services firms. It captures billable time and expenses, produces flexible invoices, and provides deep billing/reporting, with connectors to accounting systems like QuickBooks and Sage 50.
Legal / Time & Billing, Typically for small-to-midsize law firms, solo attorneys, and professional-services practices that bill by the hour. Timekeepers log billable time and expenses to clients/matters, generate and customize invoices, run WIP and A/R reports, and push financial data to QuickBooks or Sage 50 for accounting.
Long-established, widely recognized legacy product with a large historical install base in legal billing; hundreds of reviews across Capterra/G2/SoftwareAdvice. Mature but declining as firms migrate to cloud practice-management suites.
Yes, Holds firms' billable time entries, expenses, client/matter records, invoices, WIP and A/R, the financial system-of-record a billing practice depends on, trapped in an on-prem desktop database.
Decades-old product (origins in the late 1980s/1990s), now a Sage product. Antiquated Windows-only desktop architecture; slow modernization, no cloud-native rebuild.
No modern API; integrations limited to prebuilt accounting connectors. Desktop-bound data is hard to extract programmatically. Full sourced list under Sources below.
Common alternatives include Clio, Bill4Time, TimeSolv, PCLaw, Rocket Matter. Graded alternatives appear under "More from the report card" below.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.
Yes. Supergood maintains an unofficial Timeslips API and MCP server so AI agents and internal tools can read and write Timeslips data. See the Timeslips integration docs at supergood.ai/docs/timeslips-api.