Top 30 ATS Tools for Startup Integration

Industry‑leading ATS with a rich REST API, native Zapier actions, and out‑of‑the‑box integrations for Slack, Gmail, Google Calendar, and major HRIS platforms.

Candidate relationship management‑focused ATS offering webhooks, a GraphQL API, and pre‑built connectors for Salesforce, Workday, and popular sourcing tools.

All‑in‑one recruiting suite with a public API, Zapier support, and native integrations for Gmail, Outlook, Slack, and major HRIS systems.

Visual pipeline ATS that ships with Zapier, Integromat, and direct Slack/Teams notifications plus API access for custom workflow automation.

Cost‑effective ATS for startups with robust API endpoints, Zapier triggers, and built‑in integrations for Gmail, Outlook, and BambooHR.

Enterprise‑grade ATS offering a comprehensive REST API, native Slack alerts, and marketplace apps for HRIS, background checks, and video interviewing.

Collaborative hiring platform with Zapier, Make, and a public API; integrates seamlessly with Google Workspace, Slack, and popular HRIS tools.

HRIS with an integrated ATS; provides API access, Zapier actions, and native Slack notifications for new applicants and interview scheduling.

Highly customizable ATS with REST API, Zapier connectors, and built‑in integrations for Zoho CRM, G Suite, Outlook, and Slack.

Freshworks’ ATS that offers API endpoints, Zapier support, and native integrations with Freshdesk, Google Calendar, and Slack for real‑time updates.

Recruiting platform with a robust API, built‑in Slack & Teams bots, and marketplace integrations for HRIS, background checks, and onboarding suites.

CRM‑centric ATS with SOAP/REST APIs, Zapier actions, and deep integrations for Outlook, Gmail, and leading HRIS platforms.

Enterprise ATS offering extensive REST APIs, native Slack alerts, and a large integration marketplace covering HRIS, background checks, and video interview tools.

Talent management suite with a public API, Zapier connectors, and built‑in integrations for G Suite, Microsoft 365, and major HRIS systems.

Recruiter‑focused ATS with a GraphQL API, Zapier support, and native Slack notifications for candidate status changes.

Simple ATS offering a REST API, Zapier triggers, and direct integrations with Gmail, Outlook, and popular HRIS platforms.

Employer branding + ATS with a public API, Zapier actions, and native Slack/Teams bots for real‑time hiring metrics.

Full‑stack HR suite with a powerful SOAP/REST API, native integrations for Slack, Microsoft Teams, and a large ecosystem of partner connectors.

Enterprise recruiting module with OData APIs, SAP Integration Suite connectors, and built‑in Slack notifications for candidate events.

Video interviewing platform with ATS capabilities; offers REST APIs, Zapier integration, and native connections to Greenhouse, Lever, and Workday.

SMB‑focused ATS with a public API, Zapier triggers, and built‑in integrations for Gmail, Outlook, and popular background‑check services.

Assessment‑driven hiring platform with ATS features; provides REST API, Zapier actions, and Slack notifications for test completions.

Hiring platform for hourly workforces; offers API access, Zapier connectors, and native integrations with payroll and HRIS systems.

Recruitment CRM/ATS with a robust REST API, Zapier support, and built‑in Slack/Teams alerts for new applicants and interview scheduling.

AI sourcing + ATS with a public API, Zapier actions, and native integrations for Greenhouse, Lever, and major HRIS platforms.

AI‑enhanced ATS offering a REST API, Zapier connectors, and built‑in Slack notifications for pipeline updates.

End‑to‑end hiring suite with ATS, video, and assessment; provides REST APIs, Zapier integration, and native Slack bots for candidate progress.

Enterprise recruiting solution with OData APIs, integration framework for SAP/Workday, and Slack/Teams connectors for real‑time alerts.

CRM‑style ATS with a flexible API, custom workflow automations, and native integrations for Slack, Microsoft Teams, and major HRIS platforms.

AI‑driven talent intelligence platform with a GraphQL API, Zapier actions, and built‑in Slack notifications for talent matches.

Visual pipeline ATS with Zapier, Make, and native Slack/Teams notifications; offers a public API for custom integrations.

Recruiting platform with a comprehensive REST API, Zapier connectors, and native integrations for Google Workspace, Slack, and HRIS tools.

Talent acquisition suite with a robust API, marketplace apps, and built‑in Slack/Teams bots for real‑time hiring updates.

Collaborative ATS with Zapier, Make, and a public API; integrates natively with Google Calendar, Slack, and major HRIS platforms.