API Key AuthOpenAPI Spec
Column is a banking-as-a-service (BaaS) platform that enables companies to build embedded banking products and offer financial services to their customers. It provides APIs for deposits, payments, and other banking infrastructure.
#13 of 16 in Banking · #50 of 72 in Payments · #16 of 26 in Fintech
Checklist Breakdown
10 of 33 checks passed.
14 unscored.
Can an agent find and understand this tool without a web search?
✓
Published OpenAPI/Swagger spec
✗
Has llms.txt or llms-full.txt
✗
Has an MCP server (official or well-maintained)
✗
MCP server listed in a public registry
✓
API reference docs are publicly accessible
✓
Docs include runnable code examples
✓
Has a public changelog or release notes
✓
Has a public status page
Can an agent create an account and get credentials without human intervention?
✗
Signup does not require CAPTCHA
✗
Signup does not require phone verification
✓
Supports API key auth (not only OAuth)
✗
API key obtainable without manual approval
✗
No mandatory billing info to start
✓
Can sign up without creating an organization
Can an agent operate autonomously without upfront payment or contracts?
✗
Has a free tier
✓
Usage-based pricing available
✓
No minimum contract or commitment
✓
Pricing page is public (no 'contact sales')
✗
Free tier sufficient for testing (not just a trial)
How well does the API work for non-human consumers?
—
SDK available in 2+ languages
—
Structured error responses (JSON with error codes)
—
Idempotency support on write endpoints
—
Pagination on list endpoints
—
Webhook/event support
—
Sandbox or test mode available
—
Rate limit headers in responses
—
Consistent REST resource naming
Does the tool fail gracefully when an agent makes a mistake?
—
Meaningful error messages (not just 500)
—
429 responses include Retry-After header
—
Documented uptime SLA (99.9%+)
—
Graceful degradation under rate limits
—
Request IDs in responses for debugging
—
API versioning supported
Reviewer Notes
Column offers a sandbox environment and documented APIs suitable for agent integration, with OAuth2 and API key authentication. However, account creation requires manual setup with KYC/compliance steps that agents cannot autonomously complete, and there is no MCP server or llms.txt for discoverability. The platform lacks a free tier, requiring upfront commitment, though it does provide API documentation. The main strength is sandbox availability; the primary weakness is the compliance-heavy signup process incompatible with autonomous agent onboarding.
Let your agents find tools like Column
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claude mcp add --transport http agent-native-registry https://agentnativeregistry.com/api/mcp