> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://amer.developers.trustly.com/api-reference/api/network-check-api/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://amer.developers.trustly.com/_mcp/server.

# Network Check API


## API Docs

- Network Check API [Look up whether a user is known to Trustly](https://amer.developers.trustly.com/api-reference/api/network-check-api/get-customer-lookup.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://amer.developers.trustly.com/openapi.json)
- [OpenAPI YAML](https://amer.developers.trustly.com/openapi.yaml)