# NCI SEER API

**Canonical:** https://apis.io/apis/cancer-gov/seer-api/  
**Provider:** Cancer.gov — https://apis.io/providers/cancer-gov/  
**Base URL:** https://api.seer.cancer.gov  
**Documentation:** https://api.seer.cancer.gov/

NCI SEER API is one of 10 APIs that [Cancer.gov](https://apis.io/providers/cancer-gov/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Surveillance, Epidemiology, Staging, and SEER. The published artifact set on APIs.io includes API documentation.

RESTful API for the Surveillance, Epidemiology, and End Results (SEER) Program. Supports SEER datasets plus staging APIs for cancer staging (TNM and Collaborative Stage algorithms), enabling developers to embed authoritative incidence, survival, and staging logic into their own systems.

## Machine-readable artifacts (2)

- **Documentation** — https://api.seer.cancer.gov/docs
- **Portal** — https://api.seer.cancer.gov/

## Other Cancer.gov APIs (9)

- [NCI Clinical Trials Search API](https://apis.io/apis/cancer-gov/clinical-trials-api/)
- [NCI Genomic Data Commons (GDC) API](https://apis.io/apis/cancer-gov/gdc-api/)
- [NCI MoDaC API](https://apis.io/apis/cancer-gov/modac-api/)
- [NCI EVS Terminology API](https://apis.io/apis/cancer-gov/evs-api/)
- [NCI Content Syndication Services](https://apis.io/apis/cancer-gov/syndication-services/)
- [Cancer.gov Diseases API](https://apis.io/apis/cancer-gov/cancer-gov-diseases-api/)
- [Cancer.gov Interventions API](https://apis.io/apis/cancer-gov/cancer-gov-interventions-api/)
- [Cancer.gov Terms API](https://apis.io/apis/cancer-gov/cancer-gov-terms-api/)
- [Cancer.gov Trials API](https://apis.io/apis/cancer-gov/cancer-gov-trials-api/)

## Tags

Surveillance, Epidemiology, Staging, SEER

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