Sibill

Sibill is an Italian fintech platform that centralizes financial and administrative management for small and medium-sized businesses (PMI). It unifies electronic invoicing (submitted to the Agenzia delle Entrate SDI), treasury and cash-flow monitoring, payments, business accounts and debit cards, and AI-assisted reconciliation of bank transactions against invoices and deadlines. The Sibill Integration API exposes companies, bank accounts, categories, counterparts, documents, payment flows, reconciliations, products and transactions over a REST interface secured with Bearer API keys, with cursor pagination, field expansion, and Document/Flow webhooks. Backed by Creandum.

Sibill publishes 12 APIs on the APIs.io network, including Account API, Category API, Company API, and 9 more. Tagged areas include Company, Fintech, Invoicing, Payments, and Reconciliation.

The Sibill catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Sibill’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 23 more developer resources.

🌐 Visit website 📡 Source on GitHub
52.9/100 developing ▬ flat Agent 82/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
12 APIs 1 MCP Servers
CompanyFintechInvoicingPaymentsReconciliationAccountingBankingSMEOpen BankingElectronic InvoicingItaly

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 52.9/100 · developing
Contract Quality 15.9 / 25
Developer Ergonomics 14.8 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 3.1 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 82/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/sibill: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 12

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

Sibill Account API

The Account API from Sibill — 2 operation(s) for account.

Sibill Category API

The Category API from Sibill — 2 operation(s) for category.

Sibill Company API

The Company API from Sibill — 1 operation(s) for company.

Sibill Counterpart API

The Counterpart API from Sibill — 3 operation(s) for counterpart.

Sibill Document API

The Document API from Sibill — 5 operation(s) for document.

Sibill DocumentSectional API

The DocumentSectional API from Sibill — 2 operation(s) for documentsectional.

Sibill Flow API

The Flow API from Sibill — 2 operation(s) for flow.

Sibill Payment API

The Payment API from Sibill — 2 operation(s) for payment.

Sibill Product API

The Product API from Sibill — 2 operation(s) for product.

Sibill Reconciliation API

The Reconciliation API from Sibill — 2 operation(s) for reconciliation.

Sibill Subcategory API

The Subcategory API from Sibill — 2 operation(s) for subcategory.

Sibill Transaction API

The Transaction API from Sibill — 2 operation(s) for transaction.

Scroll for all 12

MCP Servers 1

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

sibill-mcp.yml

MCP SERVER

Rate Limits 1

Documented rate limits and quota policies.

Sibill Rate Limits

0 limits

RATE LIMITS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Sibill Webhooks

ASYNCAPI

Security Posture 2

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

Sibill Authentication

http · 1 scheme

SECURITY

Sibill Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

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

Sibill Agentic Access

48 operations · 25 acting · 25 human-in-the-loop

48 operations · 25 acting

AGENTIC

Resources

Get Started 5

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Login
Login
 Sandbox
Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 WellKnown
WellKnown
 LLMsTxt
LLMsTxt
 AgenticAccess
AgenticAccess

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Lifecycle
Lifecycle
 Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Conformance
Conformance
 Webhooks
Webhooks

Build 1

SDKs, sample code, and the tooling you integrate with

Packages
Packages

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 ChangeLog
ChangeLog
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Blog
Blog
 Website
Website

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: sibill
name: Sibill
description: Sibill is an Italian fintech platform that centralizes financial and administrative management for small and
  medium-sized businesses (PMI). It unifies electronic invoicing (submitted to the Agenzia delle Entrate SDI), treasury and
  cash-flow monitoring, payments, business accounts and debit cards, and AI-assisted reconciliation of bank transactions against
  invoices and deadlines. The Sibill Integration API exposes companies, bank accounts, categories, counterparts, documents,
  payment flows, reconciliations, products and transactions over a REST interface secured with Bearer API keys, with cursor
  pagination, field expansion, and Document/Flow webhooks. Backed by Creandum.
url: https://raw.githubusercontent.com/api-evangelist/sibill/refs/heads/main/apis.yml
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://sibill.com/wp-content/uploads/2025/10/monogramma_purple.jpg
x-type: company
x-source: vc-portfolio
x-backed-by:
- creandum
x-tier: enriched
x-tier-reason: has-openapi-and-artifacts
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 22
  pass: local-v1
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Fintech
- Invoicing
- Payments
- Reconciliation
- Accounting
- Banking
- SME
- Open Banking
- Electronic Invoicing
- Italy
apis:
- aid: sibill:sibill-account-api
  name: Sibill Account API
  description: The Account API from Sibill — 2 operation(s) for account.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/sibill-account-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-category-api
  name: Sibill Category API
  description: The Category API from Sibill — 2 operation(s) for category.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Category
  properties:
  - type: OpenAPI
    url: openapi/sibill-category-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-company-api
  name: Sibill Company API
  description: The Company API from Sibill — 1 operation(s) for company.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Company
  properties:
  - type: OpenAPI
    url: openapi/sibill-company-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-counterpart-api
  name: Sibill Counterpart API
  description: The Counterpart API from Sibill — 3 operation(s) for counterpart.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Counterpart
  properties:
  - type: OpenAPI
    url: openapi/sibill-counterpart-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-document-api
  name: Sibill Document API
  description: The Document API from Sibill — 5 operation(s) for document.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Document
  properties:
  - type: OpenAPI
    url: openapi/sibill-document-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-documentsectional-api
  name: Sibill DocumentSectional API
  description: The DocumentSectional API from Sibill — 2 operation(s) for documentsectional.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - DocumentSectional
  properties:
  - type: OpenAPI
    url: openapi/sibill-documentsectional-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-flow-api
  name: Sibill Flow API
  description: The Flow API from Sibill — 2 operation(s) for flow.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Flow
  properties:
  - type: OpenAPI
    url: openapi/sibill-flow-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-payment-api
  name: Sibill Payment API
  description: The Payment API from Sibill — 2 operation(s) for payment.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Payment
  properties:
  - type: OpenAPI
    url: openapi/sibill-payment-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-product-api
  name: Sibill Product API
  description: The Product API from Sibill — 2 operation(s) for product.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Product
  properties:
  - type: OpenAPI
    url: openapi/sibill-product-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-reconciliation-api
  name: Sibill Reconciliation API
  description: The Reconciliation API from Sibill — 2 operation(s) for reconciliation.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Reconciliation
  properties:
  - type: OpenAPI
    url: openapi/sibill-reconciliation-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-subcategory-api
  name: Sibill Subcategory API
  description: The Subcategory API from Sibill — 2 operation(s) for subcategory.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Subcategory
  properties:
  - type: OpenAPI
    url: openapi/sibill-subcategory-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
- aid: sibill:sibill-transaction-api
  name: Sibill Transaction API
  description: The Transaction API from Sibill — 2 operation(s) for transaction.
  humanURL: https://docs.sibill.com/
  baseURL: https://integration.sibill.com/api/v1
  tags:
  - Transaction
  properties:
  - type: OpenAPI
    url: openapi/sibill-transaction-api-openapi.yml
  - type: Documentation
    url: https://docs.sibill.com/
  - type: APIReference
    url: https://docs.sibill.com/api-reference
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DeveloperPortal
  url: https://docs.sibill.com/
- type: Documentation
  url: https://docs.sibill.com/
- type: APIReference
  url: https://docs.sibill.com/api-reference
- type: GettingStarted
  url: https://docs.sibill.com/quickstarts/quickstarts-step-by-step
- type: Support
  url: https://docs.sibill.com/faqs
- type: Blog
  url: https://sibill.com/blog/
- type: Pricing
  url: https://sibill.com/pricing/
- type: SignUp
  url: https://app.sibill.com/signup
- type: Login
  url: https://app.sibill.com/login
- type: TermsOfService
  url: https://sibill.com/termini-e-condizioni/
- type: PrivacyPolicy
  url: https://www.iubenda.com/privacy-policy/16454324
- type: Authentication
  url: authentication/sibill-authentication.yml
- type: ChangeLog
  url: changelog/sibill-changelog.yml
- type: Lifecycle
  url: lifecycle/sibill-lifecycle.yml
- type: RateLimits
  url: rate-limits/sibill-rate-limits.yml
- type: Conventions
  url: conventions/sibill-conventions.yml
- type: ErrorCatalog
  url: errors/sibill-problem-types.yml
- type: DataModel
  url: data-model/sibill-data-model.yml
- type: Conformance
  url: conformance/sibill-conformance.yml
- type: Sandbox
  url: sandbox/sibill-sandbox.yml
- type: Webhooks
  url: asyncapi/sibill-webhooks.yml
- type: MCPServer
  url: mcp/sibill-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/sibill-packages.yml
- type: Overlay
  url: overlays/sibill-openapi-overlay.yaml
- type: WellKnown
  url: well-known/sibill-well-known.yml
- type: LLMsTxt
  url: llms/sibill-llms.txt
- type: DomainSecurity
  url: security/sibill-domain-security.yml
- type: AgenticAccess
  url: agentic-access/sibill-agentic-access.yml
- type: Website
  url: https://sibill.com/