# Freight Waves Lookup API

**Canonical:** https://apis.io/apis/freight-waves/freight-waves-lookup-api/  
**Provider:** Freight Waves — https://apis.io/providers/freight-waves/  
**Base URL:** https://api.freightwaves.com  
**Documentation:** https://api.sonar.surf/Help/

Freight Waves Lookup API is one of 3 APIs that [Freight Waves](https://apis.io/providers/freight-waves/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Lookup. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Free reference lookups for valid indexes, qualifiers, levels, lanes, and zip3.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/freight-waves/refs/heads/main/openapi/freight-waves-lookup-api-openapi.yml
- **Documentation** — https://knowledge.gosonar.com/
- **APIReference** — https://api.sonar.surf/Help/

## Other Freight Waves APIs (2)

- [Freight Waves Authentication API](https://apis.io/apis/freight-waves/freight-waves-authentication-api/)
- [Freight Waves Data API](https://apis.io/apis/freight-waves/freight-waves-data-api/)

## Tags

Lookup

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/freight-waves/freight-waves-lookup-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/freight-waves/.