kalko10 best hiring signal tools in 2026
Hiring signal tools find companies that are hiring for the roles your product supports. TheirStack, PredictLeads and Coresignal sell job post data by API, and Signara and Mantiks turn posts into leads. Kalko reads the post and tells you why it matters.
Key takeaways
- TheirStack and Coresignal start at $49 a month, and PredictLeads at a $40 monthly minimum.
- Signara has a free plan with 10 enriched signals a day (Signara).
- Mantiks starts at 99 EUR a month on an annual term (Mantiks).
The tools at a glance
| Tool | Best for | Data it uses | Price from | Free plan or trial |
|---|---|---|---|---|
| Kalko | Outbound teams that want a few accounts a week with evidence, and a list of accounts to skip. | Job posts, filings, news and public buyer posts | From $99 per month | Yes, 200 credits, no card |
| TheirStack | Teams that target by tech stack or hiring, and data teams by API. | Job posts and the technologies they name | $49 a month for API access | Yes, free sign-up |
| PredictLeads | Data and engineering teams building their own signal pipelines. | Job openings, technologies, news events | $40 a month minimum, pay per API credit | Yes, 100 free API calls a month |
| Coresignal | Data and engineering teams that build products or AI agents on raw records. | Company, employee and job post records | $49 a month, datasets from $1,000 | Yes, free tier and 7-day trial |
| Mantiks | Recruitment agencies first, then consulting and software firms. | Job posts on major boards, contacts | 99 EUR a month, annual term | Yes, 7 days |
| Signara | Founders and lean sales teams that want a low-cost daily list of hiring-driven leads. | Job posts, career pages, decision-maker contacts | 59 EUR a month | Yes, free plan, no card |
| Crustdata | Developers building AI SDRs, recruiting tools or VC tools. | People, companies, job listings and posts | From four figures a month | Yes, $20 in free credits |
| Unify | SDR and AE teams that want signals and sequences in one tool. | Contacts, job changes, funding, web visits | $20 a seat a month, billed monthly | Yes, free plan and 14-day trial |
| Autobound | Platforms and data teams that put signals in their own product or warehouse. | SEC filings, hiring, news and intent | $19 one-time for 1,900 credits | Yes, 1,000 free credits, no card |
| LinkedIn Sales Navigator | B2B sellers who prospect and multi-thread on LinkedIn. | LinkedIn member and company data | $119.99 a month, or $1,079.88 a year | Yes, card required |
What makes a hiring signal useful?
- The post names the problem you solve, in the company's own words.
- The post is recent, and the company is still hiring.
- The role is the first hire for a new team or function.
1. Kalko
Finds what each company is working on but has not announced, from job posts, filings and buyer posts. Every claim carries a source and a date.
- Best for: Outbound teams that want a few accounts a week with evidence, and a list of accounts to skip.
- Watch out for: No website visitor identification, no LinkedIn channel, and no two-way HubSpot or Salesforce sync.
- Price: From $99 per month.
- Free plan or trial: Yes, 200 credits, no card.
2. TheirStack
A job-posting database that finds companies by the technologies they mention and the roles they hire for.
- Best for: Teams that target by tech stack or hiring, and data teams by API.
- Watch out for: The tech stack comes from job posts, so tools a company never hires for are missed.
- Price: $49 a month for API access.
- Free plan or trial: Yes, free sign-up.
3. PredictLeads
Sells company data by API: job openings, technologies, news events, financing and customers.
- Best for: Data and engineering teams building their own signal pipelines.
- Watch out for: It delivers data by API, files and webhooks, with no app for reps.
- Price: $40 a month minimum, pay per API credit.
- Free plan or trial: Yes, 100 free API calls a month.
4. Coresignal
Sells public-web records on companies, employees and job posts by API, file and MCP.
- Best for: Data and engineering teams that build products or AI agents on raw records.
- Watch out for: It is raw data, not a sales app, so you need engineers to use it.
- Price: $49 a month, datasets from $1,000.
- Free plan or trial: Yes, free tier and 7-day trial.
5. Mantiks
Turns job posts into B2B leads, and reveals the end client behind agency job posts.
- Best for: Recruitment agencies first, then consulting and software firms.
- Watch out for: JobsPipe, a competitor, says it covers four job boards and that prices assume a 12-month term.
- Price: 99 EUR a month, annual term.
- Free plan or trial: Yes, 7 days.
6. Signara
A hiring-signal feed that watches job posts and career pages, and adds a decision-maker contact to each signal.
- Best for: Founders and lean sales teams that want a low-cost daily list of hiring-driven leads.
- Watch out for: Hiring is the only signal type, and the free plan caps at 10 enriched signals a day.
- Price: 59 EUR a month.
- Free plan or trial: Yes, free plan, no card.
7. Crustdata
A live B2B people and company data API, with watchers that push hiring and funding events.
- Best for: Developers building AI SDRs, recruiting tools or VC tools.
- Watch out for: It is API-first, so you build the workflow yourself.
- Price: From four figures a month.
- Free plan or trial: Yes, $20 in free credits.
8. Unify
An outbound tool that combines prospect data, intent signals, AI research and sequencing.
- Best for: SDR and AE teams that want signals and sequences in one tool.
- Watch out for: The Base plan has no HubSpot or Salesforce sync.
- Price: $20 a seat a month, billed monthly.
- Free plan or trial: Yes, free plan and 14-day trial.
9. Autobound
Sells 35 signal feeds, from filings to hiring and news, by API, file and MCP.
- Best for: Platforms and data teams that put signals in their own product or warehouse.
- Watch out for: A G2 review quoted by MarketBetter, a competitor, says the written output needs editing.
- Price: $19 one-time for 1,900 credits.
- Free plan or trial: Yes, 1,000 free credits, no card.
How we picked
We make Kalko, so we list it first. The rest follow in our order of preference for a sales team that wants hiring signals without building a data pipeline.
We opened each vendor's site and pricing page on 22 October 2026, and we quote the limits from their own pages or from published reviews.
Questions people ask
What is a hiring signal?
A job post that shows a company plans to build or fix something your product helps with.
Do I need an API to use hiring signals?
No. TheirStack, PredictLeads and Coresignal are built for APIs, but Signara, Mantiks and Kalko work in an app.
Sources
- TheirStack: pricing, checked October 22, 2026
- PredictLeads: pricing, checked October 22, 2026
- Coresignal: pricing, checked October 22, 2026
- Mantiks: pricing, checked October 22, 2026
- Signara: pricing, checked October 22, 2026
- Crustdata: pricing, checked October 22, 2026
- Unify: pricing, checked October 22, 2026
- Autobound: pricing, checked October 22, 2026
- LinkedIn: Sales Navigator plans, checked October 22, 2026
Fewer accounts. Better won.
Bring your ICP. We will return a sourced market brief your team can inspect, approve, and act on.