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Connectors / Human resources · HTTP Connector
Automate CATS with Tray.ai
Create a candidate, create a job and create a pipeline in CATS, and start a workflow when CATS sends “Candidate created”.
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What can you do with CATS on Tray.ai?
CATS is an applicant tracking system for recruiters and staffing agencies that tracks candidates, jobs, client companies, contacts, and hiring pipelines. Tray.ai connects to CATS through the HTTP Connector, so your workflows can call the CATS API alongside the rest of your stack.
- When CATS sends “Candidate status changed”, update the hiring manager in your team chat.
- Create a job in CATS when a new requisition is approved in your HR system.
- When CATS sends “Pipeline status changed”, start onboarding in your HR system for hired candidates.
- Create a candidate in CATS from each application submitted on your careers page.
- Connects through
- HTTP Connector
- Authentication
- An API key in a request header
- Base URL
- https://api.catsone.com/v3
What the CATS API covers
6 resources and 25 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow. Connecting it takes a few clicks: here's how.
Candidates
- Filter candidates
- Get a candidate
- Create a candidate
- Delete a candidate
Jobs
- Filter jobs
- Get a job
- Create a job
- Change job status
- Delete a job
Pipelines
- Filter pipelines
- Get a pipeline
- Create a pipeline
- Change pipeline status
- Delete a pipeline
Companies
- Filter companies
- Get a company
- Create a company
- Delete a company
Contacts
- Filter contacts
- Get a contact
- Create a contact
- Delete a contact
Tasks
- Get a task
- Create a task
- Delete a task
Events CATS can send to a Tray.ai webhook trigger
- Candidate created
- Candidate updated
- Candidate status changed
- Job created
- Job status changed
- Pipeline created
- Pipeline status changed
- Company created
- Contact created
- Activity created
Checked against CATS's own documentation on 2026-10-22
How Tray.ai makes this work
CATS plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 6,000+ apps, databases, APIs, and services with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in CATS — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose CATS actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →Tray Helix
Build apps on CATS data with your AI assistant, then deploy, run, and govern them on Tray.ai.
Learn more →More human resources apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every human resources connector →
Frequently asked questions
What can a Tray.ai workflow do in CATS?
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The CATS API documents 25 actions across 6 resources (Candidates, Jobs, Pipelines, Companies, Contacts, Tasks). For example: Filter candidates; Filter jobs; Filter pipelines. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with CATS?
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The CATS API uses an API key in a request header. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
Which CATS events can start a Tray.ai workflow?
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CATS sends 10 events to a webhook URL, for example: Candidate created; Candidate updated; Candidate status changed; Job created; Job status changed; Pipeline created; Pipeline status changed; Company created. A Tray.ai webhook trigger receives them and starts a workflow.
See CATS working against your stack.
We'll walk through a tailored demo with your systems plugged in.
Thanks — someone from our team will be in touch soon.