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Past-customer reactivation

Current or past customers are hiring again for relevant roles.

Why it works

A past customer already knows your product, and a new job post for the team that used it says the need is back. That conversation is shorter than one with a new account. On a current customer, the same signal points to a growing team and a chance to upsell.

How to act on it

Trigger win-back, upsell, customer success, or expansion outreach.

Connect your agent

MCP server

Claude, ChatGPT, Cursor, Gemini or any MCP client

https://api.theirstack.com/mcp

API

Run this signal from your own code

curl -X POST https://api.theirstack.com/v1/jobs/search \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "company_domain_or": ["shopify.com","stripe.com","klarna.com"],
    "posted_at_max_age_days": 30
  }'

Use cases

Related signals

  • Category adoption

    Companies using tools in the broader category you serve.

    ExampleJob posts name two different CDPs

    The category is in use, no vendor has won

  • Role-based hiring

    Hiring the role that owns, uses, or feels the pain your product solves.

    ExampleFirst Head of RevOps role posted

    Your buyer's problem gets an owner

  • Category keyword

    The company mentions a product category such as ERP, CRM, HRIS, or POS without naming a vendor.

    Example"Help us select and roll out a new ERP" in an IT role

    An ERP purchase is open, no vendor chosen

Learn how

  • Guide

    Monitoring open jobs from current and past customers

    How to know which companies from a given list are actively hiring. This can help SaaS companies detect new needs of their current customers for potential upsells, and also recruitment companies to find old customers that are hiring again and could be easier to sell to than if they were completely new customers.

Frequently asked questions

See which companies match this signal today.

Run the search free, then save it to get each new match by email or webhook.

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