Chui

Chui, now operating as Trueface (part of BigBear.ai after the Pangiam acquisition), is a facial recognition and computer vision company. Originally launched as "Chui," the world's first faceprint API for access and identity, the technology is delivered today as a licensed developer SDK with C++, Python, Android, and iOS bindings, plus a Dockerized on-premises REST API (Trueface On-Prem / PTOP) for 1:1 and 1:N face matching, spoof and liveness detection, object detection, and identity verification. Deployment options span on-device, self-hosted Docker, and AWS. The technology has been evaluated in NIST FRVT and DHS/CBP testing and is applied across fintech, education, security, healthcare, retail, hospitality, and government. Surfaced as a 500 Global portfolio company and profiled by the API Evangelist network.

Chui is profiled on the APIs.io network. Tagged areas include Company, Facial Recognition, Computer Vision, Machine Learning, and Identity Verification.

Chui’s developer surface includes documentation, support, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

17.3/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyFacial RecognitionComputer VisionMachine LearningIdentity VerificationBiometricsSDKSecurity

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 17.3/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 5.7 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/chui: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Build 2

SDKs, sample code, and the tooling you integrate with

SDKs

SDKs

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: chui
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/chui.png
name: Chui
description: Chui, now operating as Trueface (part of BigBear.ai after the Pangiam acquisition), is a facial recognition and
  computer vision company. Originally launched as "Chui," the world's first faceprint API for access and identity, the technology
  is delivered today as a licensed developer SDK with C++, Python, Android, and iOS bindings, plus a Dockerized on-premises
  REST API (Trueface On-Prem / PTOP) for 1:1 and 1:N face matching, spoof and liveness detection, object detection, and identity
  verification. Deployment options span on-device, self-hosted Docker, and AWS. The technology has been evaluated in NIST
  FRVT and DHS/CBP testing and is applied across fintech, education, security, healthcare, retail, hospitality, and government.
  Surfaced as a 500 Global portfolio company and profiled by the API Evangelist network.
url: https://raw.githubusercontent.com/api-evangelist/chui/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Facial Recognition
- Computer Vision
- Machine Learning
- Identity Verification
- Biometrics
- SDK
- Security
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://trueface.ai
- type: DeveloperPortal
  url: https://docs.trueface.ai/
- type: Documentation
  url: https://docs.trueface.ai/
- type: SDKs
  url: https://trueface.ai/our-technology/sdk
- type: GitHubOrganization
  url: https://github.com/getchui
- type: Support
  url: https://bigbear.ai/contact/
- type: TermsOfService
  url: https://trueface.ai/terms-of-service
- type: PrivacyPolicy
  url: https://trueface.ai/privacy-policy
- type: LLMsTxt
  url: llms/chui-llms.txt
- type: DomainSecurity
  url: security/chui-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence