Atlar

Atlar is a treasury and payment operations platform that centralizes cash management, payments, forecasting, bank reconciliation, and debt and investment management for finance teams. It connects to banks and ERPs (NetSuite, SAP, Dynamics 365, Workday) across 100+ countries and exposes a resource-oriented JSON REST API grouped into product namespaces — financial-data (accounts, balances, transactions), payments (credit transfers, direct debits, counterparties, mandates), connectivity, IAM, analytics/forecasting and accounting. The platform is AI-native, offering a hosted MCP server, signed webhooks, OAuth 2.0 client-credentials auth, idempotency keys, cursor pagination and ETag optimistic concurrency. Atlar is SOC 2 and ISO 27001 certified. It is headquartered in Stockholm and backed by Index Ventures and General Catalyst.

Atlar publishes 1 API on the APIs.io network. Tagged areas include Company, Fintech, Treasury, Payments, and Banking.

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

Atlar’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, changelog, pricing, and 24 more developer resources.

🌐 Visit website 📡 Source on GitHub
41.0/100 thin Agent 47/100 agent ready Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyFintechTreasuryPaymentsBankingCash ManagementFinancial OperationsERP Integration

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 41.0/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 13.5 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 6.2 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 47/100 · agent ready
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 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/atlar: 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

Atlar API

Resource-oriented JSON REST API for treasury and payment operations. Paths follow /{namespace}/v#/{resource} across financial-data, payments, iam, connectivity, analytics and ac...

MCP Servers

atlar-mcp.yml

MCP SERVER

Event Specifications

Atlar Webhooks

ASYNCAPI

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Sandbox
Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

WellKnown
WellKnown
 MCPServer
MCPServer
 LLMsTxt
LLMsTxt

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

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

Scroll for all 7

Access & Security 5

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Compliance
Compliance
 Authentication
Authentication
 OAuthAuthorizationServer
OAuthAuthorizationServer

Operate 5

Status, limits, changes, and where to get help

Support
Support
 ChangeLog
ChangeLog
 StatusPage
StatusPage
 Deprecation
Deprecation
 ChangeLog
ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: atlar
name: Atlar
description: Atlar is a treasury and payment operations platform that centralizes cash management, payments, forecasting,
  bank reconciliation, and debt and investment management for finance teams. It connects to banks and ERPs (NetSuite, SAP,
  Dynamics 365, Workday) across 100+ countries and exposes a resource-oriented JSON REST API grouped into product namespaces
  — financial-data (accounts, balances, transactions), payments (credit transfers, direct debits, counterparties, mandates),
  connectivity, IAM, analytics/forecasting and accounting. The platform is AI-native, offering a hosted MCP server, signed
  webhooks, OAuth 2.0 client-credentials auth, idempotency keys, cursor pagination and ETag optimistic concurrency. Atlar
  is SOC 2 and ISO 27001 certified. It is headquartered in Stockholm and backed by Index Ventures and General Catalyst.
url: https://raw.githubusercontent.com/api-evangelist/atlar/refs/heads/main/apis.yml
image: https://cdn.prod.website-files.com/656f3c6489ea21aff4dfcf78/692571712cc755c88534f173_atlar-treasury-meta-comp.png
x-type: company
x-source: index-ventures-portfolio
x-tier: profiled
x-tier-reason: enriched-from-provider-developer-surface
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Fintech
- Treasury
- Payments
- Banking
- Cash Management
- Financial Operations
- ERP Integration
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: atlar:atlar-api
  name: Atlar API
  humanURL: https://docs.atlar.com/docs/api
  baseURL: https://api.atlar.com
  tags:
  - Treasury
  - Payments
  - Banking
  - Financial Data
  description: Resource-oriented JSON REST API for treasury and payment operations. Paths follow /{namespace}/v#/{resource}
    across financial-data, payments, iam, connectivity, analytics and accounting namespaces. OAuth 2.0 client credentials
    (Bearer, 300s TTL) or HTTP Basic; Idempotency-Key on writes; token/limit cursor pagination; JSON Patch updates gated by
    If-Match/etag.
  properties:
  - url: https://docs.atlar.com/docs/api
    type: Documentation
  - url: https://docs.atlar.com/reference
    type: APIReference
  - url: https://docs.atlar.com/docs/getting-started
    type: GettingStarted
  - url: authentication/atlar-authentication.yml
    type: Authentication
  - url: conventions/atlar-conventions.yml
    type: Conventions
  - url: conventions/atlar-conventions.yml
    type: Idempotency
  - url: errors/atlar-error-codes.yml
    type: ErrorCatalog
  - url: data-model/atlar-data-model.yml
    type: DataModel
  - url: asyncapi/atlar-webhooks.yml
    type: Webhooks
  - url: mcp/atlar-mcp.yml
    type: MCPServer
common:
- type: TrustCenter
  url: security/atlar-trust-center.yml
- type: DomainSecurity
  url: security/atlar-domain-security.yml
- type: Website
  url: https://www.atlar.com/
- type: DeveloperPortal
  url: https://docs.atlar.com/docs
- type: Documentation
  url: https://docs.atlar.com/docs
- type: APIReference
  url: https://docs.atlar.com/reference
- type: GettingStarted
  url: https://docs.atlar.com/docs/getting-started
- type: Support
  url: https://www.atlar.com/contact
- type: Blog
  url: https://www.atlar.com/blog
- type: ChangeLog
  url: https://docs.atlar.com/changelog
- type: StatusPage
  url: https://status.atlar.com/
- type: Deprecation
  url: https://docs.atlar.com/docs/migrate-from-v1-to-v2
- type: Pricing
  url: https://www.atlar.com/pricing
- type: SignUp
  url: https://app.atlar.com/
- type: TermsOfService
  url: https://www.atlar.com/terms
- type: PrivacyPolicy
  url: https://www.atlar.com/privacy
- type: Compliance
  url: https://www.atlar.com/security
- type: Authentication
  url: authentication/atlar-authentication.yml
- type: OAuthAuthorizationServer
  url: well-known/atlar-oauth-authorization-server.json
- type: WellKnown
  url: well-known/atlar-well-known.yml
- type: MCPServer
  url: mcp/atlar-mcp.yml
- type: LLMsTxt
  url: llms/atlar-llms.txt
- type: Conventions
  url: conventions/atlar-conventions.yml
- type: Idempotency
  url: conventions/atlar-conventions.yml
- type: ErrorCatalog
  url: errors/atlar-error-codes.yml
- type: Webhooks
  url: asyncapi/atlar-webhooks.yml
- type: Lifecycle
  url: lifecycle/atlar-lifecycle.yml
- type: ChangeLog
  url: changelog/atlar-changelog.yml
- type: Sandbox
  url: sandbox/atlar-sandbox.yml
- type: Conformance
  url: conformance/atlar-conformance.yml
- type: DataModel
  url: data-model/atlar-data-model.yml