# EPA — U.S. Environmental Protection Agency Signup API

**Canonical:** https://apis.io/apis/epa/epa-signup-api/  
**Provider:** EPA — U.S. Environmental Protection Agency — https://apis.io/providers/epa/  
**Base URL:** https://frsqueryprd-api.epa.gov/facilityiptqueryprd  
**Documentation:** https://www.epa.gov/frs/facility-registry-service-frs-api

EPA — U.S. Environmental Protection Agency Signup API is one of 136 APIs that [EPA — U.S. Environmental Protection Agency](https://apis.io/providers/epa/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1242 JSON Schema definitions. Tagged areas include Sign Up. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1242 JSON Schemas.

Account registration.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| GET | `/signup` | Register for API Key |

## Machine-readable artifacts (1886)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/openapi/epa-signup-api-openapi.yml
- **Documentation** — https://aqs.epa.gov/aqsweb/documents/data_api.html
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/aqs-envelope-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/aqs-header-schema.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/aqs-envelope-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/aqs-header-structure.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/examples/aqs-envelope-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/examples/aqs-header-example.json
- **Documentation** — https://www.epa.gov/enviro/envirofacts-data-service-api
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/envirofacts-row-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/envirofacts-uv-daily-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/envirofacts-uv-hourly-schema.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/envirofacts-row-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/envirofacts-uv-daily-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/envirofacts-uv-hourly-structure.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/examples/envirofacts-row-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/examples/envirofacts-uv-daily-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/examples/envirofacts-uv-hourly-example.json
- **Documentation** — https://echo.epa.gov/tools/web-services
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo01-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo02-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo03-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo04-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo05-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo06-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo07-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo08-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo09-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo10-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-echo11-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-geo-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-meta1-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-meta3-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-all-qp0-schema.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo01-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo02-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo03-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo04-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo05-structure.json
- **JSONStructure** — https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-all-echo06-structure.json
- …and 1846 more, listed in full on the page.

## Other EPA — U.S. Environmental Protection Agency APIs (12)

- [EPA Facility Registry Service (FRS) API](https://apis.io/apis/epa/epa-facility-registry-service-frs-api/)
- [EPA TRI (Toxics Release Inventory) Web Service](https://apis.io/apis/epa/epa-tri-toxics-release-inventory-web-service/)
- [EPA ATTAINS Web Services](https://apis.io/apis/epa/epa-attains-web-services/)
- [EPA WATERS — Watershed Assessment, Tracking & Environmental Results](https://apis.io/apis/epa/epa-waters-watershed-assessment-tracking-environmental-results/)
- [EPA Grants API](https://apis.io/apis/epa/epa-grants-api/)
- [EPA Insect Repellents API](https://apis.io/apis/epa/epa-insect-repellents-api/)
- [EPA e-Manifest Hazardous Waste Tracking](https://apis.io/apis/epa/epa-e-manifest-hazardous-waste-tracking/)
- [EPA System of Registries (SoR)](https://apis.io/apis/epa/epa-system-of-registries-sor/)
- [CTX — Center for Computational Toxicology and Exposure APIs](https://apis.io/apis/epa/ctx-center-for-computational-toxicology-and-exposure-apis/)
- [EPA — U.S. Environmental Protection Agency Account Type Codes API](https://apis.io/apis/epa/epa-account-type-codes-api/)
- [EPA — U.S. Environmental Protection Agency Accounts API](https://apis.io/apis/epa/epa-accounts-api/)
- [EPA — U.S. Environmental Protection Agency Air Emission Testing API](https://apis.io/apis/epa/epa-air-emission-testing-api/)

## Tags

Sign Up

---

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