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

16.5/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0

0 APIs

CompanyFacial RecognitionComputer-VisionMachine-LearningIdentity VerificationBiometricsSDKSecurity

Kin Score

Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0

Composite quality — 16.5/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 6.2 / 20

Access Clarity 4.2 / 20

Operational Transparency 0.3 / 13

Contract Governance 0.0 / 12

Discoverability 5.7 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Facial Recognition
- Computer-Vision
- Machine-Learning
- Identity Verification
- Biometrics
- SDK
- Security
tags_raw:
- 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