card.io

card.io was a mobile SDK company that provided fast, easy credit-card scanning inside iOS and Android apps using the device camera, letting users capture card details by holding a card up to the lens instead of typing them. Founded around 2011 and backed by Uncork Capital (then SoftTech VC), card.io was acquired by PayPal in 2012. Its scanning SDKs for iOS, Android, Cordova, and React Native were open-sourced in December 2014 under the card-io GitHub organization, and the product was ultimately discontinued. The company operated no public REST or web API; its product surface was a set of client-side mobile SDKs, all of which are now archived. This profile is maintained for network completeness and historical/portfolio context.

card.io is profiled on the APIs.io network. Tagged areas include Company, Payments, Mobile, SDK, and Credit Cards.

card.io’s developer surface includes documentation and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

0 APIs

Company Payments Mobile SDK Credit Cards Computer-VisionCard ScanningDefunct

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Cardio Domain Security

DMARC

SECURITY

Resources

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 5

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

SourceCode

SourceCode

Packages

SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Releases

Releases

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: cardio
deliveryModel:
  model: unknown
  open_source: unknown
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - repository-unlicensed
  generated: '2026-08-28'
  method: derived
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/cardio.png
name: card.io
description: card.io was a mobile SDK company that provided fast, easy credit-card scanning inside iOS and Android apps using
  the device camera, letting users capture card details by holding a card up to the lens instead of typing them. Founded around
  2011 and backed by Uncork Capital (then SoftTech VC), card.io was acquired by PayPal in 2012. Its scanning SDKs for iOS,
  Android, Cordova, and React Native were open-sourced in December 2014 under the card-io GitHub organization, and the product
  was ultimately discontinued. The company operated no public REST or web API; its product surface was a set of client-side
  mobile SDKs, all of which are now archived. This profile is maintained for network completeness and historical/portfolio
  context.
url: https://raw.githubusercontent.com/api-evangelist/cardio/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-status: defunct
x-status-detail: Acquired by PayPal (2012); SDKs open-sourced (2014) and later discontinued/archived.
x-backed-by:
- uncork-capital
x-acquired-by: paypal
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Payments
- Mobile
- SDK
- Credit Cards
- Computer-Vision
- Card Scanning
- Defunct
tags_raw:
- Company
- Payments
- Mobile
- SDK
- Credit Cards
- Computer Vision
- Card Scanning
- Defunct
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: ParentCompany
  url: https://apis.io/providers/paypal/
  name: PayPal
  x-relationship: acquired
  x-evidence: io was acquired by PayPal in 2012.
- type: IssueTracker
  url: https://github.com/card-io/card.io-iOS-SDK/issues
- type: Releases
  url: https://github.com/card-io/card.io-iOS-SDK/releases
- type: Website
  url: https://www.card.io
- type: GitHubOrganization
  url: https://github.com/card-io
- type: Documentation
  url: https://github.com/card-io/card.io-iOS-SDK/blob/master/README.md
- type: SourceCode
  name: card.io iOS SDK (archived)
  url: https://github.com/card-io/card.io-iOS-SDK
- type: SourceCode
  name: card.io Android SDK (archived)
  url: https://github.com/card-io/card.io-Android-SDK
- type: Packages
  url: packages/cardio-packages.yml
- type: SDKs
  url: packages/cardio-packages.yml
- type: DomainSecurity
  url: security/cardio-domain-security.yml
- type: LLMsTxt
  url: llms/cardio-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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