---
title: "Customer stories"
description: "How teams check their work against the contracts and documents behind it, and what changed once they did."
canonical: "https://nace.ai/business/customers"
updated: 2026-10-08
---

# Customer stories

> How teams check their work against the contracts and documents behind it, and what changed once they did.

## How companies run their back office on Nace.AI

How teams check their work against the contracts and documents behind it, and what changed once they did.

- [Contact sales](https://nace.ai/contact?source=customer-stories)

### [How Barton Associates reduced invoice disputes by 52% with Nace](https://nace.ai/business/customers/barton-associates)

Barton Associates · Healthcare staffing

A locum tenens staffing agency checks its invoices against the assignment's contract before they go out. In the first eight weeks: 52% fewer invoice disputes, invoices out 50% faster and days sales outstanding 14% lower.

- 52% fewer invoice disputes and adjustments
- 50% faster from the end of the work week to invoice submission
- 14% lower days sales outstanding

## For agents

- [Drex API guide](https://nace.ai/drex.md): the decision model: request shape, question types, benchmarks and deployment, as markdown
- [Decision endpoint](https://console.nace.ai/v1/systemone): POST with model "drex-latest", a state string and typed questions (choice, noul, score); https://console.nace.ai/v1/models lists checkpoints
- [Document endpoints](https://console.nace.ai/v1/documents/{parse|split|classify|extract|ground}): POST a source (a public URL, an uploaded workspace file or a finished parse job) and poll GET https://console.nace.ai/v1/documents/jobs/{id}; the same key and credit as decisions
- [Console](https://console.nace.ai): API keys, the playground, usage and billing; send `Authorization: Bearer $NACE_API_KEY` on every request
- [Console docs](https://console.nace.ai/docs): quickstart, question types, the document routes, errors, limits and pricing
- [Nace Document Intelligence](https://nace.ai/ndi.md): the Perception series: parse, split, classify, extract and ground any file type with a location on every value
- [Developers](https://nace.ai/developers.md): Console: what it holds, a scripted agent session, the ways in and the four deployment boundaries, from our managed cloud to air-gapped
- [Site index](https://nace.ai/llms.txt): every page on nace.ai; append `.md` to any page URL or send `Accept: text/markdown` for the markdown version