Facet

Facet provides an agentic commerce platform that enables AI agents to discover, browse, and purchase from online stores via the Sprylings app. It offers a second checkout flow where agents use a Facet KYA token to securely sign requests, with payments settled on-chain in USDC on Base or via Stripe. Merchants can list their catalog, set pricing, and receive signed receipts. The platform includes a business directory, pricing plans, and developer tools for integration, aiming to make commerce agent‑ready and secure.

Facet is listed with 1 API on the APIs.io network. Tagged areas include Commerce, Payments, Artificial Intelligence, Agentic Commerce, and Marketplace.

Facet’s developer surface includes CLI, changelog, and 19 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

20.1/100 emerging Agent 3/100 human only Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessOpen

1 API

Commerce Payments Artificial Intelligence Agentic Commerce Marketplace

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 20.1/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 2.4 / 17

Access Clarity 5.4 / 17

Operational Transparency 2.6 / 11

Contract Governance 0.0 / 10

Discoverability 5.9 / 9

Regulatory Posture 3.8 / 15

Agent readiness — 3/100 · 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 7 / 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

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

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/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →

12 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points Ask about this →
Developer Ergonomics scores 14.3 — up to +17.1 composite points Ask about this →
Access Clarity scores 31.9 — up to +13.6 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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 the provider profile at artifacts.apis.io/facet-llc/apis.yml: open an issue on github.com/api-evangelist/facet-llc to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Facet API

Facet provides an agentic commerce platform that enables AI agents to discover, browse, and purchase from online stores via the Sprylings app.

Facet API pricing

Pricing Plans 1

Published pricing tiers and plan structures.

Facet Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Facet Rate Limits

0 limits

RATE LIMITS

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Facet

8 quoted statements, read from Facet's own page on 2026-11-09.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Facet

32 quoted statements, read from Facet's own page on 2026-11-09.

PRIVACY

Eligibility 1

Who may sign up and where, quoted from its own terms.

Facet

5 quoted statements, read from Facet's own page on 2026-11-09.

ELIGIBILITY

AI Preferences 1

Its stance on AI training, inference and agents, quoted from its own pages.

Facet

5 quoted statements, read from Facet's own page on 2026-11-09.

AI PREFS

Data License 1

How its data and outputs may be reused, quoted from its own terms.

Facet

2 quoted statements, read from Facet's own page on 2026-11-09.

LICENSE

Security Posture 3

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

Facet Authentication

0 schemes

SECURITY

Facet Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Facet Vulnerability Disclosure

security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Facet Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Documentation 1

Reference material describing how the API behaves

AIPreferences

AIPreferences

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Build 3

SDKs, sample code, and the tooling you integrate with

CLI

CLI

SDKs

SDKs

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

Security

Security

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Commercial 4

Pricing, plans, and the legal terms of use

TermsOfService

PrivacyPolicy

UsageTerms

DataLicense

Company 2

The organization behind the API

Newsroom

Newsroom

Website

Website

Other 4

Properties that don't map to a standard resource type

Hosts

Vendors

DataProcessing

Eligibility

Source (apis.yml)

aid: facet-llc
name: Facet
description: Facet provides an agentic commerce platform that enables AI agents to discover, browse, and purchase from online
  stores via the Sprylings app. It offers a second checkout flow where agents use a Facet KYA token to securely sign requests,
  with payments settled on-chain in USDC on Base or via Stripe. Merchants can list their catalog, set pricing, and receive
  signed receipts. The platform includes a business directory, pricing plans, and developer tools for integration, aiming
  to make commerce agent‑ready and secure.
url: https://artifacts.apis.io/facet-llc/apis.yml
accessModel:
  pricing: unknown
  onboarding: open
  trial: false
  try_now: false
  public: true
  gated: none
  gated_source:
  - onboarding
  label: Open access
  confidence: low
  probe_state: gated
  source:
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
image: https://facet.llc/favicon.ico
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-07 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-07'
modified: '2026-11-07'
tags:
- Commerce
- Payments
- Artificial Intelligence
- Agentic Commerce
- Marketplace
tags_raw:
- Commerce
- Payments
- AI
- AgentCommerce
- Marketplace
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: CLI
  url: cli/facet-llc-cli.yml
- type: ChangeLog
  url: changelog/facet-llc-changelog.yml
- type: Security
  url: https://facet.llc/legal/security.html
- type: LLMsTxt
  url: llms/facet-llc-llms.txt
- type: SecurityTxt
  url: well-known/facet-llc-security.txt
- type: WellKnown
  url: well-known/facet-llc-well-known.yml
- type: Hosts
  url: hosts/facet-llc-hosts.yml
- type: Vendors
  url: vendors/facet-llc-vendors.yml
- type: SDKs
  url: packages/facet-llc-packages.yml
- type: Packages
  url: packages/facet-llc-packages.yml
- type: TermsOfService
  url: https://facet.llc/legal/terms
- type: PrivacyPolicy
  url: https://facet.llc/legal/privacy.html
- type: Newsroom
  url: https://facet.llc/press/boson-x402b.html
- type: VulnerabilityDisclosure
  url: security/facet-llc-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/facet-llc-domain-security.yml
- type: Website
  url: https://facet.llc/
- type: UsageTerms
  url: terms/facet-llc-terms-of-service.yml
- type: DataProcessing
  url: privacy/facet-llc-privacy-policy.yml
- type: Eligibility
  url: eligibility/facet-llc-eligibility.yml
- type: AIPreferences
  url: ai-preferences/facet-llc-ai-preferences.yml
- type: DataLicense
  url: data-license/facet-llc-data-license.yml
apis:
- name: Facet API
  description: Facet provides an agentic commerce platform that enables AI agents to discover, browse, and purchase from online
    stores via the Sprylings app.
  humanURL: https://facet.llc/
  aid: facet-llc:facet-api
x-coverage:
  state: gated
  reason: sales-gate
  detail: Spec endpoints redirect to a login page (HTTP 307) requiring a token, indicating a sales gate.
  evidence:
  - url: https://app.facet.llc/openapi.json
    status: 307
  checked: '2026-11-07'
x-enrichment:
  date: '2026-11-07'
  status: enriched
  artifacts_added: 24
  pass: modular-v1
  engine: identity=oss,contract=oss,surfaces=oss,docs=oss,regulatory=oss

Facet API — frequently asked questions

Does Facet have an API?

Yes. APIs.io lists 1 API from Facet, including Facet API.

How do I authenticate with the Facet API?

Facet documents its authentication (0 schemes). The details are profiled on APIs.io as Facet Authentication.

Is the Facet API ready for AI agents?

Facet has a Kin Score of 20.1 out of 100 (emerging) and an Agent Readiness score of 2.5 (human-only), scored by API Evangelist on 2026-11-13.

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