aid: airbase
url: https://raw.githubusercontent.com/api-evangelist/airbase/refs/heads/main/apis.yml
name: Airbase
kind: company
description: Airbase is a modern spend management platform for finance teams that
  combines accounts-payable (AP) automation and bill pay, guided procurement and
  purchase orders, corporate cards, and expense reimbursements on a single system
  with real-time general-ledger sync. Airbase Inc. was acquired by Paylocity in a
  ~$325M deal announced September 4, 2024 and completed October 1, 2024, and now
  operates as "Airbase by Paylocity," extending Paylocity's HCM suite into the
  office of the CFO. Airbase exposes a developer platform at developer.airbase.io
  (REST API reference, OpenAPI/Swagger, Postman and Insomnia collections, a
  webhooks management API, an OAuth playground, and a sandbox) used to build
  custom connections for systems not covered by the pre-built integrations. API
  access is account-gated - credentials are generated inside the customer's
  Airbase/Paylocity tenant rather than through open self-serve signup - so the
  logical APIs below are honestly modeled from the documented product surface and
  developer portal, and the exact endpoint paths and base URL are not publicly
  reproduced here (endpointsModeled).
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Spend Management
- Accounts Payable
- Bill Pay
- Procurement
- Corporate Cards
- Expense Management
- FinTech
- Paylocity
- Gated API
created: '2026-07-03'
modified: '2026-07-03'
specificationVersion: '0.19'
apis:
- aid: airbase:airbase-bills-ap-api
  name: Airbase Bills & AP Automation API
  tags:
  - Bills
  - Accounts Payable
  - Bill Pay
  - Invoices
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Programmatically create, list, retrieve, and update bills and vendor
    invoices flowing through Airbase's AP automation - including bill line items,
    approval state, payment status, and payment method - to automate pre-approval,
    payment, and accounting workflows. Endpoints are honestly modeled from the
    documented AP/bill-pay product surface; access is account-gated
    (endpointsModeled).
- aid: airbase:airbase-purchase-orders-api
  name: Airbase Purchase Requests & Orders API
  tags:
  - Purchase Requests
  - Purchase Orders
  - Procurement
  - Intake
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Create and track guided purchase requests and purchase orders,
    including intake details, line items, vendor and GL coding, budget checks, and
    the approval milestones a request transitions through. Airbase emits webhook
    events such as "purchase request approved" as requests move through their
    workflow. Endpoints modeled from the documented procurement surface;
    account-gated (endpointsModeled).
- aid: airbase:airbase-vendors-api
  name: Airbase Vendors API
  tags:
  - Vendors
  - Suppliers
  - Master Data
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://vendors.airbase.io/
    type: Website
  description: Manage the vendor/supplier master record - create, list, retrieve,
    and update vendors, their payment details, tax and onboarding information, and
    the relationships that bills, purchase orders, and payments are made against.
    Airbase also runs a separate vendor portal at vendors.airbase.io. Endpoints
    modeled from the documented vendor-management surface; account-gated
    (endpointsModeled).
- aid: airbase:airbase-cards-api
  name: Airbase Corporate Cards API
  tags:
  - Corporate Cards
  - Virtual Cards
  - Card Programs
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Access Airbase corporate and virtual card programs - list cards,
    card holders, spend limits and controls, and their associated policies - to
    reconcile card spend against budgets and the general ledger. Endpoints modeled
    from the documented corporate-card product surface; account-gated
    (endpointsModeled).
- aid: airbase:airbase-transactions-api
  name: Airbase Transactions API
  tags:
  - Transactions
  - Spend Data
  - Reconciliation
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Pull unified transaction and spend data across cards, bills, and
    reimbursements - amounts, merchants, dates, GL coding, and reconciliation
    status - for reporting, analytics, and closing the books. Endpoints modeled
    from the documented spend-data surface; account-gated (endpointsModeled).
- aid: airbase:airbase-reimbursements-api
  name: Airbase Expense Reimbursements API
  tags:
  - Expenses
  - Reimbursements
  - Employee Spend
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Create and track employee expense reimbursements and out-of-pocket
    claims - receipts, line items, approval state, and payout status - as part of
    Airbase's expense management workflows. Endpoints modeled from the documented
    reimbursement surface; account-gated (endpointsModeled).
- aid: airbase:airbase-approvals-api
  name: Airbase Approvals API
  tags:
  - Approvals
  - Workflows
  - Policy
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/
    type: Website
  description: Inspect and act on the multi-step approval workflows that gate
    purchase requests, bills, cards, and reimbursements - approvers, policy rules,
    current state, and milestone transitions. Approval milestone changes are also
    delivered as webhook events. Endpoints modeled from the documented approvals
    surface; account-gated (endpointsModeled).
- aid: airbase:airbase-gl-accounting-sync-api
  name: Airbase GL & Accounting Sync API
  tags:
  - General Ledger
  - Accounting
  - ERP Sync
  - GL Coding
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.airbase.com/sheets/erp-integration-api
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  - url: https://www.airbase.com/integrations-overview
    type: Website
  description: Read and push general-ledger coding and accounting records so spend
    stays in sync with the ERP/GL. Airbase promotes a REST API specifically for
    building custom ERP/GL connections for systems not on its pre-built
    integration list. Endpoints modeled from the documented ERP-integration/GL-sync
    surface; account-gated (endpointsModeled).
- aid: airbase:airbase-webhooks-api
  name: Airbase Webhooks Management API
  tags:
  - Webhooks
  - Events
  - Subscriptions
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developer.airbase.io/
  properties:
  - url: https://developer.airbase.io/
    type: Documentation
  description: Register and manage webhook subscriptions so external systems
    receive Airbase events - for example a purchase request being approved or a
    workflow transitioning through a milestone - as JSON payloads (id, object,
    type, created_date, data). A webhooks management API is documented on the
    Airbase developer portal. Endpoints modeled from the documented webhook
    surface; account-gated (endpointsModeled).
common:
- type: DomainSecurity
  url: security/airbase-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/airbase
- type: Website
  url: https://www.airbase.com/
- type: Documentation
  url: https://developer.airbase.io/
- type: Plans
  url: plans/airbase-plans-pricing.yml
- type: RateLimits
  url: rate-limits/airbase-rate-limits.yml
- type: FinOps
  url: finops/airbase-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com