# How Instawork uses Vapi

**85%**: “85% lower cost: To keep up with demand, Instawork was projecting millions of dollars in costs to use human call screening.”

As published on [vapi.ai](https://vapi.ai/customers/instawork). Captured by usedby on 2026-10-08.

- Company: [Instawork](https://www.usedby.ai/companies/instawork.md)
- Tool: [Vapi](https://www.usedby.ai/tools/vapi.md)
- Teams: engineering, product, operations
- Customer since (as the page says): chose Vapi in early 2025

## What the story says

Instawork uses Vapi voice agents to run automated screening calls with candidates for its hourly staffing marketplace, replacing screening calls that were previously done manually. The agents assess worker skills so candidates can be matched with hiring businesses.

Summary written by usedby from the source page, in English. The figures are those of Vapi and Instawork, not ours.

> 85% lower cost: To keep up with demand, Instawork was projecting millions of dollars in costs to use human call screening. On Vapi, they achieved significantly lower cost per call while increasing both the volume and quality of their placements.

- **50x**: “50x Higher throughput: AI agents dramatically expanded the number of screening calls Instawork could run.”
- **30%**: “The number of successful placements as rated by marketplace partners increased by 30%.”
- **30 days**: “This enabled Instawork to move from concept to high-volume production in approximately 30 days.”

> Vapi has been a great partner for Instawork. Their platform allowed us to scale to millions of calls reliably with no performance issues, while giving our engineering, product, and operations teams a powerful and flexible way to build and manage voice agents.
>
> Adam Stepinski, VP of Engineering

## What usedby checked

We compared the story with its live page on 2026-10-08.

- Checked: the figure 85% is printed word for word on the page, near the name of Instawork.
- Checked: the passage quoted above is copied word for word from the page, near the name of Instawork.
- Checked: Instawork uses Vapi. Confirmed line. Latest check across sources: 2026-10-08.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/instawork-vapi · How we check: https://www.usedby.ai/methodology