Plyrium

Plyrium is a contractor operating system for home-service businesses (HVAC, plumbing, electrical, roofing) built in Coolidge, Arizona - AI phone answering, scheduling, quotes, invoicing with Stripe payments and Google Business Profile automation. Its public API surface is VouchSpec, an agent-only service on vouchspec.plyrium.com that sells fresh static validation and Ed25519-signed DSSE evidence for one exact public GitHub Agent Skill commit, paid per request in USDC over x402 on Base, and discoverable through an OpenAPI 3.1 contract, llms.txt, an A2A agent card, a remote MCP server, an installable Agent Skill and an ARD ai-catalog.

Plyrium publishes 3 API contracts indexed on the APIs.io network: Discovery API, Purchase API, and Verification API. Tagged areas include Company, Agent Skills, Supply Chain Security, Software Provenance, and x402.

Plyrium’s developer surface includes pricing, engineering blog, support, GitHub presence, CLI, changelog, sandbox, and 35 more developer resources.

🌐 Visit website 📡 Source on GitHub

51.8/100 developing ▬ flat Agent 37/100 agent ready Front door AI 5/6 prominent saas Full breakdown ↓
scored 2026-10-09 · rubric v0.23.0

7 published contracts 1 MCP Servers

Company Agent Skills Supply Chain SecuritySoftware Provenancex402 Agentic Commerce A2A MCP Field Service Home Services

Kin Score

Kin Score How this is scored →
scored 2026-10-09 · rubric v0.23.0

Composite quality — 51.8/100 · developing

Contract Quality 8.8 / 21

Developer Ergonomics 9.7 / 17

Access Clarity 11.2 / 17

Operational Transparency 2.3 / 11

Contract Governance 1.9 / 10

Discoverability 6.8 / 9

Regulatory Posture 6.3 / 15

Agent readiness — 37/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 8 / 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 Horizontal (data, software, accessibility, platform) 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 does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

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/plyrium-com: 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 →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Agent Skills

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

x402

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

APIs 3

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

Plyrium Discovery API

Free, anonymous machine-readable service metadata.

Plyrium Purchase API

x402-paid exact-commit validation intake.

Plyrium Verification API

Public receipt bytes, status, and issuer key.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Plyrium MCP Server

Remote MCP server at vouchspec.plyrium.com over streamable HTTP; 1 tool listed.

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Plyrium Com Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Plyrium Com Rate Limits

0 limits

RATE LIMITS

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Plyrium Com Vouchspec Overlay

10 actions · update · plyrium-com-vouchspec-openapi.yml

UNRECORDED

Security Posture 2

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

Plyrium Com Authentication

3 schemes

SECURITY

Plyrium Com Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Plyrium Com Agentic Access

8 operations · 1 acting · 1 human-in-the-loop

8 operations · 1 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Login

Sandbox

Sandbox

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

WellKnown

LLMsTxt

MCPServer

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

Lifecycle

Conventions

Idempotency

DataModel

Build 3

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Packages

Packages

CLI

CLI

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 6

Status, limits, changes, and where to get help

Support

HelpCenter

ChangeLog

ChangeLog

RateLimits

IncidentNotification

IncidentNotification

Commercial 5

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

GlobalPrivacyControl

GlobalPrivacyControl

Company 6

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

X (Twitter)

X (Twitter)

Facebook

Facebook

Instagram

Instagram

Other 8

Properties that don't map to a standard resource type

AICatalog

AICatalog

AgentCard

AgentCard

Overlay

Overlay

DataSubjectRequest

Subprocessors

DataResidency

ExitAssistance

AITransparency

Scroll for all 8

Source (apis.yml)

aid: plyrium-com
name: Plyrium
description: Plyrium is a contractor operating system for home-service businesses (HVAC, plumbing, electrical, roofing) built
  in Coolidge, Arizona - AI phone answering, scheduling, quotes, invoicing with Stripe payments and Google Business Profile
  automation. Its public API surface is VouchSpec, an agent-only service on vouchspec.plyrium.com that sells fresh static
  validation and Ed25519-signed DSSE evidence for one exact public GitHub Agent Skill commit, paid per request in USDC over
  x402 on Base, and discoverable through an OpenAPI 3.1 contract, llms.txt, an A2A agent card, a remote MCP server, an installable
  Agent Skill and an ARD ai-catalog.
url: https://raw.githubusercontent.com/api-evangelist/plyrium-com/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  license_evidence:
    not_product:
    - mordiaky/vouchspec
  open_source: unknown
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: low
  source:
  - openapi
  - pricing
  - repository-not-product
  generated: '2026-09-25'
  method: derived
image: https://www.plyrium.com/brand/plyrium-icon-rounded-1024.png
x-type: company
x-source: harvest:a2a-registry
x-tier: profiled
x-tier-reason: enrichment pass local-v3 (agent card, OpenAPI, MCP, llms.txt, skill all provider-published)
specificationVersion: '0.20'
created: '2026-09-19'
modified: '2026-09-19'
tags:
- Company
- Agent Skills
- Supply Chain Security
- Software Provenance
- x402
- Agentic Commerce
- A2A
- MCP
- Field Service
- Home Services
apis:
- aid: plyrium-com:plyrium-com-discovery-api
  name: Plyrium Discovery API
  description: Free, anonymous machine-readable service metadata.
  humanURL: https://www.plyrium.com/vouchspec
  baseURL: https://vouchspec.plyrium.com
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/plyrium-com-discovery-api-openapi.yml
  - type: Documentation
    url: https://www.plyrium.com/vouchspec
  - type: APIReference
    url: https://vouchspec.plyrium.com/openapi.json
  - type: GettingStarted
    url: https://vouchspec.plyrium.com/.well-known/skills/vouchspec-verify-before-install/SKILL.md
  - type: Discovery
    url: https://vouchspec.plyrium.com/api/vouchspec/v1/discovery
  - type: TermsOfService
    url: https://www.plyrium.com/vouchspec/policies
  - type: LLMsTxt
    url: llms/plyrium-com-llms.txt
  - type: ToolCrosswalk
    url: mcp/plyrium-com-tool-crosswalk.yml
  - type: AgentCard
    url: a2a/plyrium-com-a2a.yml
  - type: AICatalog
    url: well-known/plyrium-com-ai-catalog.json
  - type: ErrorCatalog
    url: errors/plyrium-com-problem-types.yml
  - type: DataModel
    url: data-model/plyrium-com-data-model.yml
  - type: Sandbox
    url: sandbox/plyrium-com-sandbox.yml
  - type: GitHub
    url: https://github.com/mordiaky/vouchspec
- aid: plyrium-com:plyrium-com-purchase-api
  name: Plyrium Purchase API
  description: x402-paid exact-commit validation intake.
  humanURL: https://www.plyrium.com/vouchspec
  baseURL: https://vouchspec.plyrium.com
  tags:
  - Purchase
  properties:
  - type: OpenAPI
    url: openapi/plyrium-com-purchase-api-openapi.yml
  - type: Documentation
    url: https://www.plyrium.com/vouchspec
  - type: APIReference
    url: https://vouchspec.plyrium.com/openapi.json
  - type: GettingStarted
    url: https://vouchspec.plyrium.com/.well-known/skills/vouchspec-verify-before-install/SKILL.md
  - type: Discovery
    url: https://vouchspec.plyrium.com/api/vouchspec/v1/discovery
  - type: TermsOfService
    url: https://www.plyrium.com/vouchspec/policies
  - type: LLMsTxt
    url: llms/plyrium-com-llms.txt
  - type: ToolCrosswalk
    url: mcp/plyrium-com-tool-crosswalk.yml
  - type: AgentCard
    url: a2a/plyrium-com-a2a.yml
  - type: AICatalog
    url: well-known/plyrium-com-ai-catalog.json
  - type: ErrorCatalog
    url: errors/plyrium-com-problem-types.yml
  - type: DataModel
    url: data-model/plyrium-com-data-model.yml
  - type: Sandbox
    url: sandbox/plyrium-com-sandbox.yml
  - type: GitHub
    url: https://github.com/mordiaky/vouchspec
- aid: plyrium-com:plyrium-com-verification-api
  name: Plyrium Verification API
  description: Public receipt bytes, status, and issuer key.
  humanURL: https://www.plyrium.com/vouchspec
  baseURL: https://vouchspec.plyrium.com
  tags:
  - Verification
  properties:
  - type: OpenAPI
    url: openapi/plyrium-com-verification-api-openapi.yml
  - type: Documentation
    url: https://www.plyrium.com/vouchspec
  - type: APIReference
    url: https://vouchspec.plyrium.com/openapi.json
  - type: GettingStarted
    url: https://vouchspec.plyrium.com/.well-known/skills/vouchspec-verify-before-install/SKILL.md
  - type: Discovery
    url: https://vouchspec.plyrium.com/api/vouchspec/v1/discovery
  - type: TermsOfService
    url: https://www.plyrium.com/vouchspec/policies
  - type: LLMsTxt
    url: llms/plyrium-com-llms.txt
  - type: ToolCrosswalk
    url: mcp/plyrium-com-tool-crosswalk.yml
  - type: AgentCard
    url: a2a/plyrium-com-a2a.yml
  - type: AICatalog
    url: well-known/plyrium-com-ai-catalog.json
  - type: ErrorCatalog
    url: errors/plyrium-com-problem-types.yml
  - type: DataModel
    url: data-model/plyrium-com-data-model.yml
  - type: Sandbox
    url: sandbox/plyrium-com-sandbox.yml
  - type: GitHub
    url: https://github.com/mordiaky/vouchspec
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/plyrium-com-agentic-access.yml
- type: DomainSecurity
  url: security/plyrium-com-domain-security.yml
- type: Website
  url: https://plyrium.com/
- type: Pricing
  url: https://www.plyrium.com/pricing
- type: TermsOfService
  url: https://www.plyrium.com/terms
- type: PrivacyPolicy
  url: https://www.plyrium.com/privacy
- type: Blog
  url: https://www.plyrium.com/blog
- type: Support
  url: https://www.plyrium.com/contact
- type: HelpCenter
  url: https://www.plyrium.com/kb
- type: Login
  url: https://www.plyrium.com/login
- type: GitHub
  url: https://github.com/mordiaky
- type: LinkedIn
  url: https://www.linkedin.com/company/plyrium
- type: X (Twitter)
  url: https://x.com/plyrium
- type: Facebook
  url: https://www.facebook.com/plyrium
- type: Instagram
  url: https://www.instagram.com/plyrium
- type: WellKnown
  url: well-known/plyrium-com-well-known.yml
- type: AICatalog
  url: well-known/plyrium-com-ai-catalog.json
- type: LLMsTxt
  url: llms/plyrium-com-llms.txt
- type: MCPServer
  url: mcp/plyrium-com-mcp.yml
- type: AgentCard
  url: a2a/plyrium-com-a2a.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/plyrium-com-packages.yml
- type: CLI
  url: cli/plyrium-com-cli.yml
- type: Conformance
  url: conformance/plyrium-com-conformance.yml
- type: ErrorCatalog
  url: errors/plyrium-com-problem-types.yml
- type: Lifecycle
  url: lifecycle/plyrium-com-lifecycle.yml
- type: ChangeLog
  url: changelog/plyrium-com-changelog.yml
- type: ChangeLog
  url: https://github.com/mordiaky/vouchspec/blob/main/CHANGELOG.md
- type: Conventions
  url: conventions/plyrium-com-conventions.yml
- type: Idempotency
  url: conventions/plyrium-com-conventions.yml
- type: Sandbox
  url: sandbox/plyrium-com-sandbox.yml
- type: Plans
  url: plans/plyrium-com-plans-pricing.yml
- type: RateLimits
  url: rate-limits/plyrium-com-rate-limits.yml
- type: DataModel
  url: data-model/plyrium-com-data-model.yml
- type: Overlay
  url: overlays/plyrium-com-vouchspec-overlay.yaml
- type: DataSubjectRequest
  url: https://www.plyrium.com/privacy
- type: Subprocessors
  url: https://www.plyrium.com/privacy
- type: DataResidency
  url: https://www.plyrium.com/privacy
- type: IncidentNotification
  url: https://www.plyrium.com/privacy
- type: GlobalPrivacyControl
  url: https://www.plyrium.com/privacy
- type: ExitAssistance
  url: https://www.plyrium.com/terms
- type: AITransparency
  url: https://www.plyrium.com/privacy
x-enrichment:
  date: '2026-09-19'
  status: enriched
  artifacts_added: 31
  pass: local-v3
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: https://vouchspec.plyrium.com/.well-known/agent-card.json
  grade: conformant
  protocol_version: 0.3.0
  control: 200

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