Lever Postings API vs TheirStack for AI agents
Lever Postings API is Lever's REST API for a company's published job postings, designed to help that company build a job site. TheirStack is a job postings data API (with company and technographic data) aimed at sales and market intelligence as well as job search.
The short answer
- Lever Postings API: Reading a known company's live openings, with direct apply links, from its own Lever account.
- TheirStack: Bulk, filterable job-posting data for market research and sales signals, with history back to 2021.
Side by side
| Lever Postings API | TheirStack | |
|---|---|---|
| Searches | One company's Lever postings per call (by site name); employer-direct; global and EU endpoints. | Aggregated postings from career pages, job boards and ATS platforms across about 363k websites in 195 countries, since 2021. |
| Returns | JSON (or iframe/HTML) postings with id, text, categories, country, workplaceType, description, descriptionPlain, lists, salaryRange (optional), hostedUrl and applyUrl. | JSON jobs with title, description, url, final_url, source_url, company and company_object, location fields, min/max salary (plus annual USD) and salary_string. |
| Before the first call | Nothing to read postings: no key, only the company’s board name. Sending applications needs the company’s key. | A TheirStack account and API key (Bearer token); each search must include at least one date or company filter. |
| Free | No key needed, and its pages state no price | 200 API credits and 50 company credits every month, free (1 credit per job returned); free tier rate limit 4/second, 10/minute, 50/hour, 400/day. |
| Paid | Not stated on its pages | From $49 per month for 1,500 API credits (1 credit per job). |
| Acting on a result | applyUrl is Lever's hosted application form for the employer's job. | url, plus final_url with the original career-page URL when available (filterable with final_url_exists). |
| Coverage | Wherever the employer hires (EU-hosted accounts use api.eu.lever.co). | 195 countries. |
| MCP server | No official server listed | Official TheirStack MCP server (search_jobs tool), OAuth or API key; uses the same API credits: https://theirstack.com/en/docs/mcp |
Where Openpath fits
If the agent needs a job to apply for in Austin, Texas, or a remote one, Openpath returns the listings themselves, free and with no key. See Openpath vs Lever Postings API and Openpath vs TheirStack.
Questions people ask
What do I need before I can use Lever Postings API?
Nothing to read postings: no key, only the company’s board name. Sending applications needs the company’s key.
Is Lever Postings API free?
No key needed, and its pages state no price.
What do I need before I can use TheirStack?
A TheirStack account and API key (Bearer token); each search must include at least one date or company filter.
Is TheirStack free?
200 API credits and 50 company credits every month, free (1 credit per job returned); free tier rate limit 4/second, 10/minute, 50/hour, 400/day.
Sources
Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.
Lever Postings API, read on October 15, 2026:
- github.com/lever/postings-api: “This API is designed to help you create a job site.”
- github.com/lever/postings-api: “A URL which points to Lever's hosted application form to apply to the job posting.”
- github.com/lever/postings-api: “To use the POST API, you need an API key.”
TheirStack, read on October 15, 2026:
- theirstack.com/en/job-posting-api: “253M of jobs across 195 countries since 2021”
- theirstack.com/en/job-posting-api: “career pages, job boards, and ATS platforms”
- theirstack.com/en/docs/pricing/plans: “Start exploring with 50 company credits and 200 API credits every month - completely free, forever.”
- theirstack.com/en/docs/api-reference/rate-limit: “4/second, 10/minute, 50/hour, 400/day”
- theirstack.com/en/pricing: “1,500 API credits — $49 per month”
- theirstack.com/en/docs/api-reference/jobs/search_jobs_v1: “1 API credit for each job returned in the response”
- theirstack.com/en/job-posting-mcp: “Your AI assistant calls the search_jobs tool to find jobs by title, location, salary”