Stone website screenshot

Stone

Stone is a Brazilian financial technology company offering REST APIs for payment processing, Pix instant payments, digital banking accounts, boleto issuance, credit products, payment links, and stone-terminal management for merchants. Their platform enables businesses to authorize, capture, cancel, and query transactions across online and physical sales channels.

Stone publishes 4 APIs on the APIs.io network. Tagged areas include Payments, Fintech, Pix, Brazil, and Digital Banking.

The Stone catalog on APIs.io includes 1 JSON-LD context.

Stone’s developer surface includes documentation, engineering blog, pricing, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
26.8/100 emerging ▬ flat Agent 7/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessFreeApproval
4 APIs
PaymentsFintechPixBrazilDigital BankingPayment ProcessingBoletoFinancial Technology

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 26.8/100 · emerging
Contract Quality 2.4 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 7/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
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
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/stone: 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 4

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

Stone Online API

The Stone Online transactional API for authorizing, capturing, canceling, and querying payment transactions for online and physical sales platforms. Supports credit card, debit,...

Stone OpenBank API

Stone's open banking REST API providing digital account management, internal and external transfers, Pix instant payments, boleto issuance, payment links, QR code generation, co...

Stone Connect API

API for connecting point-of-sale systems to Stone payment terminals (maquininhas), enabling merchants to integrate physical payment acceptance into their business software.

Stone Conciliation API

Backoffice API for monitoring sales, installments, cancellations, and financial reconciliation data for Stone merchants.

Pricing Plans 1

Published pricing tiers and plan structures.

Stone Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Stone Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Stone Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Stone Context

0 classes · 0 properties

JSON-LD

Security Posture 1

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

Stone Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: stone
name: Stone
description: Stone is a Brazilian financial technology company offering REST APIs for payment processing, Pix instant payments,
  digital banking accounts, boleto issuance, credit products, payment links, and stone-terminal management for merchants.
  Their platform enables businesses to authorize, capture, cancel, and query transactions across online and physical sales
  channels.
accessModel:
  pricing: free
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Free · Requires approval
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/stone.png
url: https://raw.githubusercontent.com/api-evangelist/stone/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Payments
- Fintech
- Pix
- Brazil
- Digital Banking
- Payment Processing
- Boleto
- Financial Technology
apis:
- name: Stone Online API
  description: The Stone Online transactional API for authorizing, capturing, canceling, and querying payment transactions
    for online and physical sales platforms. Supports credit card, debit, and voucher payments with sandbox and production
    environments.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://online.stone.com.br/docs/o-que-e-o-stone-online
  baseURL: https://online.stone.com.br
  tags:
  - Payments
  - Transactions
  - Authorization
  - Capture
  - Cancel
  properties:
  - type: Documentation
    url: https://online.stone.com.br/docs/o-que-e-o-stone-online
  - type: Reference
    url: https://online.stone.com.br/reference/overview-da-api
- name: Stone OpenBank API
  description: Stone's open banking REST API providing digital account management, internal and external transfers, Pix instant
    payments, boleto issuance, payment links, QR code generation, contacts, receipts, KYC, recharges, and scheduling capabilities
    for fintech integrations.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.openbank.stone.com.br/docs/
  baseURL: https://sandbox.openbank.stone.com.br
  tags:
  - Pix
  - Digital Banking
  - Transfers
  - Boleto
  - Payment Links
  - KYC
  - Recharges
  properties:
  - type: Documentation
    url: https://docs.openbank.stone.com.br/docs/
  - type: Reference
    url: https://docs.openbank.stone.com.br/docs/referencia-da-api/
- name: Stone Connect API
  description: API for connecting point-of-sale systems to Stone payment terminals (maquininhas), enabling merchants to integrate
    physical payment acceptance into their business software.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.stone.com.br/devcenter
  baseURL: https://www.stone.com.br
  tags:
  - POS
  - Terminal
  - Physical Payments
  - Merchants
  properties:
  - type: Documentation
    url: https://www.stone.com.br/devcenter
- name: Stone Conciliation API
  description: Backoffice API for monitoring sales, installments, cancellations, and financial reconciliation data for Stone
    merchants.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.stone.com.br/devcenter
  baseURL: https://www.stone.com.br
  tags:
  - Conciliation
  - Financial Reporting
  - Backoffice
  - Reconciliation
  properties:
  - type: Documentation
    url: https://www.stone.com.br/devcenter
common:
- type: DomainSecurity
  url: security/stone-domain-security.yml
- type: Website
  url: https://www.stone.com.br
- type: Documentation
  url: https://docs.openbank.stone.com.br/docs/
- type: GitHubOrg
  url: https://github.com/stone-payments
- type: LinkedIn
  url: https://www.linkedin.com/company/stone-co
- type: Blog
  url: https://conteudo.stone.com.br/
- type: Pricing
  url: https://www.stone.com.br/devcenter
- type: StatusPage
  url: https://docs.openbank.stone.com.br
- type: X
  url: https://x.com/sejastone
- type: Plans
  url: plans/stone-plans-pricing.yml
- type: RateLimits
  url: rate-limits/stone-rate-limits.yml
- type: FinOps
  url: finops/stone-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com