API Evangelist

The API Evangelist network as one REST API and an MCP server for agents — sixteen years of API research, served from developer.apievangelist.com.

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REST API from Virtuosis AI (an EPFL spinoff) providing AI-based voice biomarker analysis that detects health disorders from short audio recordings. Analysis families include Wellbeing (stress, anxiety, depression), Parkinson's, Alzheimer's/MCI, and Communication Coach. Delivered as CE-marked softwar

Nekosia is a free, keyless anime-image REST API serving cute anime 'neko' (catgirl) imagery and related metadata, backed by the provider's own Booru. Responses are JSON with rich metadata including dominant colors, image variants, dimensions, tags, ratings, and source attribution.

Privacy-focused IP abuse database and OSINT threat-intelligence platform for reporting and checking malicious IPs in real-time. Positioned as an AbuseIPDB-style community IP reputation service with a free, versioned REST API.

APIs.io is an open source API search engine and directory that uses APIs.json files to discover, index, and catalog APIs across the web. Built on the APIs.json specification, it provides a searchable entry point for developers to find public APIs by keyword, resource, action, persona, domain, and schema.

DigitalAPI is an API catalog, marketplace, and management platform that unifies APIs across multiple gateways into a single searchable catalog with governance, discovery, access control, and analytics.

REST API unifying US sex-offender registry data across all 50 states, DC, and US territories behind a single endpoint, returning scored, de-duplicated, source-tagged records with freshness tiers and consolidated verification-report PDFs.

REST API returning Moroccan public holidays (national, religious, exceptional) and business/open-day calculations, with a typed Python SDK. Aimed at data engineers for ETL/orchestration pipelines (Airflow, Dagster).