Blackcart

Blackcart is a Try Before You Buy (TBYB) platform for ecommerce merchants that lets online shoppers order products, receive them at home, and pay only for what they keep during a trial window. The platform pairs a proprietary fraud and AI order-decisioning engine with storefront integrations for Shopify, Magento, WooCommerce, BigCommerce, Salesforce Commerce Cloud, WordPress, and custom storefronts, and charges merchants a revenue share on kept items rather than upfront or integration fees. Founded circa 2019 and backed by a 2021 US$8.8M Series A (investors include 500 Global), Blackcart exposed a Beta REST API (order cancellation, refunds, product/store endpoints) documented on Stoplight. As of this enrichment pass its primary domains (blackcart.com and its *.blackcart.com subdomains) return Fastly "unknown domain" errors and blackcart.co serves only a JavaScript redirect shell, indicating the public product and developer surface is offline or the company has wound down.

Blackcart is profiled on the APIs.io network. Tagged areas include Company, Try Before You Buy, E-Commerce, Retail, and Payments.

Blackcart’s developer surface includes API reference, documentation, and 2 more developer resources.

🌐 Visit website 📡 Source on GitHub

0.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

CompanyTry Before You BuyE-Commerce Retail Payments Shopify Fraud Prevention Order Management

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 0.1/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.0 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.3 / 9

Regulatory Posture 0.0 / 15

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/blackcart: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Resources

Documentation 2

Reference material describing how the API behaves

APIReference

APIReference

Documentation

Documentation

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

Shopify

Shopify

Source (apis.yml)

aid: blackcart
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  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/blackcart.png
name: Blackcart
description: Blackcart is a Try Before You Buy (TBYB) platform for ecommerce merchants that lets online shoppers order products,
  receive them at home, and pay only for what they keep during a trial window. The platform pairs a proprietary fraud and
  AI order-decisioning engine with storefront integrations for Shopify, Magento, WooCommerce, BigCommerce, Salesforce Commerce
  Cloud, WordPress, and custom storefronts, and charges merchants a revenue share on kept items rather than upfront or integration
  fees. Founded circa 2019 and backed by a 2021 US$8.8M Series A (investors include 500 Global), Blackcart exposed a Beta
  REST API (order cancellation, refunds, product/store endpoints) documented on Stoplight. As of this enrichment pass its
  primary domains (blackcart.com and its *.blackcart.com subdomains) return Fastly "unknown domain" errors and blackcart.co
  serves only a JavaScript redirect shell, indicating the public product and developer surface is offline or the company has
  wound down.
url: https://raw.githubusercontent.com/api-evangelist/blackcart/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
x-status: defunct-or-offline
x-status-note: Enrichment 2026-07-18 could not verify a live company surface. blackcart.com and shop.blackcart.com return
  Fastly "unknown domain"; merchantsupport.blackcart.com returns Cloudflare error 1034; blackcart.co returns only a JS "Redirecting..."
  parking/cloaking shell. The only live artifact is a stale Beta API doc project hosted at blackcart.stoplight.io (its table-of-contents
  API returns HTTP 500), so no OpenAPI, SDK, or /.well-known surface could be honestly harvested. No artifact pointers were
  fabricated against dead domains.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Try Before You Buy
- E-Commerce
- Retail
- Payments
- Shopify
- Fraud Prevention
- Order Management
tags_raw:
- Company
- Try Before You Buy
- eCommerce
- Retail
- Payments
- Shopify
- Fraud Prevention
- Order Management
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://blackcart.co
- type: APIReference
  url: https://blackcart.stoplight.io/docs/blackcart-api
- type: Documentation
  url: https://blackcart.stoplight.io/docs/blackcart-api
- type: Shopify
  url: https://apps.shopify.com/blackcart
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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