Imperio

Imperio provides free tax‑compliance and anti‑fraud tools for Italian accountants and SMEs. It monitors supplier VAT numbers (P.IVA) via VIES nightly, alerts on IBAN changes, validates fiscal codes, parses FatturaPA XML, and offers calculators for IVA, IMU, and other taxes. The platform includes a public API and an MCP server for AI agents, all without login, and is currently in beta with free pricing.

Imperio publishes 6 API contracts indexed on the APIs.io network, including Demo pubblica API, Health API, MCP API, and 3 more. Tagged areas include Finance, Tax, Fraud Prevention, and Italy.

The Imperio catalog on APIs.io includes 1 Spectral governance ruleset.

Imperio’s developer surface includes pricing, engineering blog, API reference, authentication, and 18 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

38.0/100 thin Agent 23/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

1 published contract 2 Agent Skills

Finance Tax Fraud Prevention Italy

Kin Score

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

Composite quality — 38.0/100 · thin

Contract Quality 9.6 / 21

Developer Ergonomics 5.6 / 17

Access Clarity 5.8 / 17

Operational Transparency 1.0 / 11

Contract Governance 3.6 / 10

Discoverability 5.8 / 9

Regulatory Posture 3.4 / 15

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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 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 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):

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 →
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 →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented) Ask about this →

7 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 45.0 — up to +13.8 composite points Ask about this →
Developer Ergonomics scores 32.7 — up to +13.5 composite points Ask about this →
Access Clarity scores 34.0 — up to +13.2 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/imperioutils-com/apis.yml: open an issue on github.com/api-evangelist/imperioutils-com 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 →

Standards implemented 1

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.

OpenAPI

measured — observed by APIs.io (published)

APIs 6

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

Imperio Demo pubblica API

The Demo pubblica API from Imperio — 1 operation(s) for demo pubblica.

Imperio Health API

The Health API from Imperio — 3 operation(s) for health.

Imperio MCP API

The Mcp API from Imperio — 1 operation(s) for mcp.

Imperio Registry API

The Registry API from Imperio — 2 operation(s) for registry.

Imperio Tool API

The Tool API from Imperio — 23 operation(s) for tool.

Imperio Webhook Capture API

The WebhookCapture API from Imperio — 1 operation(s) for webhookcapture.

Agent Skills 2

Packaged agent skills for driving this provider's APIs from an AI assistant.

imperioutils-com-manage-webhook-capture

AGENT SKILL

imperioutils-com-mcp-session-management

AGENT SKILL

Imperio API pricing

Prices published by Imperio. A free plan or tier is listed.

Plan	Price
Free	Free
Starter	€9 per month
Pro	€29 per month
Team	€49 per month
Enterprise	€99 per month

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Imperio Plans Pricing

5 plans

PLANS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Imperio API Rules

43 rules · 40 error-severity 2 warn-severity 1 info-severity

SPECTRAL

Security Posture 3

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

Imperio Authentication

apiKey/http · 2 schemes

SECURITY

Imperio Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Imperio Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

Imperio Agentic Access

39 operations · 23 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

WellKnown

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Spectral

Vocabulary

DataModel

ErrorCatalog

Conformance

Access & Security 5

Authentication, authorization, and security posture

Security

Security

SecurityTxt

SecurityTxt

Authentication

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

Pricing

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: imperioutils-com
name: Imperio
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
image: https://imperioutils.com/og-cover.png
description: Imperio provides free tax‑compliance and anti‑fraud tools for Italian accountants and SMEs. It monitors supplier
  VAT numbers (P.IVA) via VIES nightly, alerts on IBAN changes, validates fiscal codes, parses FatturaPA XML, and offers calculators
  for IVA, IMU, and other taxes. The platform includes a public API and an MCP server for AI agents, all without login, and
  is currently in beta with free pricing.
url: https://artifacts.apis.io/imperioutils-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-12 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-12'
modified: '2026-11-12'
tags:
- Finance
- Tax
- Fraud Prevention
- Italy
tags_raw:
- Finance
- Tax
- Anti-fraud
- API
- Italy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/imperioutils-com-agentic-access.yml
- type: Plans
  url: plans/imperioutils-com-plans-pricing.yml
- type: Spectral
  url: rules/imperioutils-com-rules.yml
- type: Vocabulary
  url: vocabulary/imperioutils-com-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/imperioutils-com-data-model.yml
- type: Security
  url: security/imperioutils-com-vulnerability-disclosure.yml
- type: ErrorCatalog
  url: errors/imperioutils-com-problem-types.yml
- type: Conformance
  url: conformance/imperioutils-com-conformance.yml
- type: LLMsTxt
  url: llms/imperioutils-com-llms.txt
- type: SecurityTxt
  url: well-known/imperioutils-com-security.txt
- type: WellKnown
  url: well-known/imperioutils-com-well-known.yml
- type: Hosts
  url: hosts/imperioutils-com-hosts.yml
- type: Vendors
  url: vendors/imperioutils-com-vendors.yml
- type: Pricing
  url: https://imperioutils.com/pricing
- type: DeveloperPortal
  url: https://imperioutils.com/tools/for/developers
- type: Blog
  url: https://imperioutils.com/blog
- type: APIReference
  url: https://imperioutils.com/docs
- type: Authentication
  url: authentication/imperioutils-com-authentication.yml
- type: VulnerabilityDisclosure
  url: security/imperioutils-com-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/imperioutils-com-domain-security.yml
- type: Website
  url: https://imperioutils.com/
apis:
- aid: imperioutils-com:imperioutils-com-demo-pubblica-api
  name: Imperio Demo pubblica API
  description: The Demo pubblica API from Imperio — 1 operation(s) for demo pubblica.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - Demo pubblica
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-demo-pubblica-api-openapi.yml
- aid: imperioutils-com:imperioutils-com-health-api
  name: Imperio Health API
  description: The Health API from Imperio — 3 operation(s) for health.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-health-api-openapi.yml
- aid: imperioutils-com:imperioutils-com-mcp-api
  name: Imperio MCP API
  description: The Mcp API from Imperio — 1 operation(s) for mcp.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - MCP
  tags_raw:
  - Mcp
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-mcp-api-openapi.yml
- aid: imperioutils-com:imperioutils-com-registry-api
  name: Imperio Registry API
  description: The Registry API from Imperio — 2 operation(s) for registry.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - Registry
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-registry-api-openapi.yml
- aid: imperioutils-com:imperioutils-com-tool-api
  name: Imperio Tool API
  description: The Tool API from Imperio — 23 operation(s) for tool.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - Tool
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-tool-api-openapi.yml
- aid: imperioutils-com:imperioutils-com-webhookcapture-api
  name: Imperio Webhook Capture API
  description: The WebhookCapture API from Imperio — 1 operation(s) for webhookcapture.
  humanURL: https://imperioutils.com/docs
  baseURL: https://imperioutils.com/api
  tags:
  - WebhookCapture
  properties:
  - type: OpenAPI
    url: openapi/imperioutils-com-webhookcapture-api-openapi.yml
x-enrichment:
  date: '2026-11-12'
  status: enriched
  artifacts_added: 24
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Imperio API — frequently asked questions

Does Imperio have an API?

Yes. APIs.io lists 6 APIs from Imperio, including Imperio Demo pubblica API, Imperio Health API and Imperio MCP API, and 3 more.

Is there an OpenAPI specification for the Imperio API?

Yes. APIs.io indexes 6 OpenAPI specifications for Imperio, each linked for download from this page.

How do I authenticate with the Imperio API?

Imperio uses bearer-token authentication (apiKey/http · 2 schemes). The details are profiled on APIs.io as Imperio Authentication.

How much does the Imperio API cost?

Imperio publishes its prices; its Starter plan is €9 per month as of 2026-11-12. APIs.io lists 5 pricing plans for Imperio, with each plan's price, limits and inclusions under Pricing on this page.

Is the Imperio API ready for AI agents?

Imperio has a Kin Score of 38.0 out of 100 (thin) and an Agent Readiness score of 23.1 (agent-aware), scored by API Evangelist on 2026-11-13.

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