Airbase Spend Management API

Airbase REST API for all-in-one spend management platform covering corporate cards, expense management, accounts payable, and procurement. Enables AI agents to retrieve purchase requests, track vendor payments, access card transaction data, manage approval workflows, and integrate Airbase spend data into ERP and accounting workflows. Airbase is part of Paylocity.

Evaluated Mar 07, 2026 (0d ago) vcurrent
Homepage ↗ Other airbase spend-management corporate-cards accounts-payable expense-management procurement fintech
⚙ Agent Friendliness
47
/ 100
Can an agent use this?
🔒 Security
74
/ 100
Is it safe for agents?
⚡ Reliability
61
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
25
Documentation
55
Error Messages
52
Auth Simplicity
65
Rate Limits
48

🔒 Security

TLS Enforcement
95
Auth Strength
75
Scope Granularity
60
Dep. Hygiene
65
Secret Handling
75

Corporate spend and card data. SOC2, PCI-DSS. OAuth2 with scopes. US data residency.

⚡ Reliability

Uptime/SLA
68
Version Stability
62
Breaking Changes
58
Error Recovery
55
AF Security Reliability

Best When

A tech company using Airbase for unified spend management wants AI agents to automate purchase approvals, track vendor payments, and integrate spending data into accounting and ERP systems.

Avoid When

FINANCIAL RISK: Spend approval bypass or incorrect payment routing creates financial control failures. PRIVACY: Employee spending data and card transactions are personal/financial data.

Use Cases

  • Retrieving purchase requests and approval status from procurement automation agents
  • Accessing corporate card transaction data from expense analytics agents
  • Tracking vendor invoice and payment status from AP automation agents
  • Integrating Airbase spend data into ERP and GL reconciliation workflow agents

Not For

  • Non-Airbase spend management platforms
  • Consumer payments
  • Large enterprise procurement without SaaS spend management needs

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
No
SDK
No
Webhooks
Yes

Authentication

Methods: oauth
OAuth: Yes Scopes: Yes

Airbase API uses OAuth 2.0. Developer access requires Airbase account. Contact Airbase for API partner access. Documentation available to customers.

Pricing

Model: unknown
Free tier: No
Requires CC: Yes

Now part of Paylocity. Pricing negotiated with Airbase/Paylocity sales.

Agent Metadata

Pagination
page
Idempotent
Partial
Retry Guidance
Not documented

Known Gotchas

  • FINANCIAL RISK: Spend approval bypass is a financial controls failure
  • PRIVACY: Corporate card transaction data is personal financial data
  • No public MCP server — OAuth2 REST API integration required
  • Airbase acquired by Paylocity — verify API roadmap and documentation under new ownership
  • API documentation not fully public — Airbase customers only
  • US-only data residency — EU companies must assess compliance

Alternatives

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Scores are editorial opinions as of 2026-03-07.

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