# GEOCitation > White-label AEO/GEO (Answer Engine / Generative Engine Optimization) audit API for SEO agencies and SaaS platforms. A single asynchronous REST API that runs AI-visibility / citation-gap audits and returns structured JSON with citation probabilities, entity / semantic-cluster data, E-E-A-T scores, and content recommendations. This llms.txt was generated by API Evangelist from the catalog record; the provider does not publish its own /llms.txt. ## API - [GEOCitation Audit API](https://www.geocitation.io/en/documentation): Async REST API to launch Market-Intelligence and Gap-Analysis AEO/GEO audits, poll status, stream live events (SSE), and retrieve structured JSON + Markdown deliverables. Base URL https://api.geocitation.io/v1. Auth: X-API-Key header (keys prefixed geo_citation_); Bearer also accepted. Submit returns 202 + audit_id; completion typically 5-7 minutes; HMAC-SHA256 signed webhooks (audit.completed, audit.failed). - [OpenAPI 3.1](https://api.geocitation.io/openapi.json): Machine-readable contract, 15 paths / 17 operations. - [Interactive API reference (Swagger UI)](https://api.geocitation.io/docs) ## Docs - [Documentation](https://www.geocitation.io/en/documentation) - [Getting started — your first API call in 4 steps](https://www.geocitation.io/en/documentation/getting-started) - [Error codes reference](https://www.geocitation.io/en/documentation/errors) - [Webhooks](https://www.geocitation.io/en/documentation/webhooks) - [Pricing (from $49/mo)](https://www.geocitation.io/en/pricing) - [Sign in / register](https://www.geocitation.io/en/login) - [Contact](https://www.geocitation.io/en/contact) ## Key operations - create_audit — POST /v1/audits (Market or Gap) - list_audits — GET /v1/audits - get_audit — GET /v1/audits/{audit_id} - get_audit_status — GET /v1/audits/{audit_id}/status - stream_audit — GET /v1/audits/{audit_id}/stream (SSE) - get_document — GET /v1/audits/{audit_id}/documents/{doc_type} - get_manifest — GET /v1/audits/{audit_id}/manifest - read_usage — GET /v1/usage - get_kpi_catalog — GET /v1/meta/kpi-catalog ## Legal - [Terms of Service](https://www.geocitation.io/en/terms) - [Privacy Policy](https://www.geocitation.io/en/privacy) - [Security & compliance (SOC 2, GDPR)](https://www.geocitation.io/en/security)