# ASPERN Reference API

**Canonical:** https://apis.io/apis/aspern-org/aspern-org-reference-api/  
**Provider:** ASPERN — https://apis.io/providers/aspern-org/  
**Base URL:** https://aspern.org/api  
**Documentation:** https://aspern.org/data/reference

ASPERN Reference API is one of 14 APIs that [ASPERN](https://apis.io/providers/aspern-org/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Reference. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The Reference API from ASPERN — 3 operation(s) for reference.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/coverage/measures` | Five coverage measures, each with its own numerator, denominator and population |
| GET | `/v1/perimeter` | Venue-level readings behind the coverage perimeter |
| GET | `/v1/evidence/regressions` | Readings we had at the previous check and do not have now, per fact, with the… |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/aspern-org/openapi/aspern-org-reference-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-counterparty-check-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-trading-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-service-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-revenue-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-rwa-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-agent-profile-schema.json

## Other ASPERN APIs (12)

- [ASPERN Account API](https://apis.io/apis/aspern-org/aspern-org-account-api/)
- [ASPERN Agents API](https://apis.io/apis/aspern-org/aspern-org-agents-api/)
- [ASPERN Alerts API](https://apis.io/apis/aspern-org/aspern-org-alerts-api/)
- [ASPERN Attestation API](https://apis.io/apis/aspern-org/aspern-org-attestation-api/)
- [ASPERN Capital API](https://apis.io/apis/aspern-org/aspern-org-capital-api/)
- [ASPERN Commerce API](https://apis.io/apis/aspern-org/aspern-org-commerce-api/)
- [ASPERN Crowding API](https://apis.io/apis/aspern-org/aspern-org-crowding-api/)
- [ASPERN History API](https://apis.io/apis/aspern-org/aspern-org-history-api/)
- [ASPERN Judgement API](https://apis.io/apis/aspern-org/aspern-org-judgement-api/)
- [ASPERN Market API](https://apis.io/apis/aspern-org/aspern-org-market-api/)
- [ASPERN Ratings API](https://apis.io/apis/aspern-org/aspern-org-ratings-api/)
- [ASPERN Record API](https://apis.io/apis/aspern-org/aspern-org-record-api/)

## Tags

Reference

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