The short answer
Evaluate the cost per usable job record and the workflow you need. Retrieving a listing, verifying an employer URL, and submitting a candidate's application are different capabilities.
Define the result your product needs
A jobs API usually provides structured listings. A scraping tool extracts records from selected sources. Neither description alone says whether it can submit an application, verify a candidate's email, or report an employer response.
Write down geography, roles, freshness expectations, mandatory fields, and how users will act on the results. A career platform building US submissions needs a different evaluation from a global labor-market analytics service.
Use a representative evaluation set
Pick several real queries across the markets and job types your users need. Record the retrieval time, sample size, unique active results, missing fields, and source errors. Inspect employer URLs manually for a small sample before automating the comparison.
- Coverage: are the employers, roles, and locations relevant to your users?
- Freshness: is the opening still accepting applications?
- Identity: can the same opening be recognized across refreshes and publishers?
- Descriptions: are they complete, and is the source clear?
- Salary: are values explicit, estimated, or absent, and what is the pay period?
- Operations: how do pagination, limits, outages, and error responses behave?
- Usage rights: does the contract permit your intended storage and display?
Count more than request price
For scraping software, include the runtime, maintenance, storage, retries, and engineering time required to operate it. For a hosted API, include billable searches, details, pagination, and any overage or minimum commitment. A free library and a hosted service have different cost structures.
Use the same definition of a useful result on both sides. A cheap request that returns mostly duplicate or unsuitable listings is not automatically cheaper per useful opening. Keep benchmark dates and query settings with the results so they can be reproduced.
Add the application write path deliberately
If users will apply inside your product, evaluate candidate profiles, per-application documents, live questions, inbox verification, idempotency, and status updates. Ask whether the provider reports a queued task or a confirmed submission when it says success.
Apply Guy offers US job discovery and supported employer submissions through one developer account. Check current API documentation, preflight readiness, and costs for the selected mode. This is a commercial guide from Apply Guy, not a measured claim that it beats every scraper or API.
Sources and further reading
Provider and employer requirements can change. Follow the instructions for the particular application or integration.