Access the world's most comprehensive authority index. Integrate ranked human expertise into your products, pipelines, and AI systems.
Start free with $5 in credits. No credit card required.
All GET, all JSON, all requiring an Authorization: Bearer <your_api_key> header.
/api/v1/indexSearch for people and organisations by topic, industry, role or place. Filters for country, city, entity type, social platform and ranking. /api/v1/detailSocial handles across every platform, plus the website, for one or more SDUs. /api/v1/peersThe authorities connected to a social handle. /api/v1/matchLook up who a handle or name belongs to. /api/v1/contentRecent posts for one or more authorities, newest first. betacurl -X GET "https://api.authorix.com/api/v1/index?query=Formula+1&limit=5" \ -H "Authorization: Bearer <your_api_key>"
{
"duration": 0.123,
"request_id": "123e4567-e89b-12d3-a456-426614174000",
"results": [
{
"sdu": "294152247252684609194428744833146550207",
"name": "Lewis Hamilton",
"rank": 1,
"bio": "Seven-time Formula 1 World Champion, driving for Scuderia Ferrari.",
"country_name": "United Kingdom",
"location": "Monaco",
"topics": ["Formula 1", "Motorsports", "Sustainability"],
"authority_score": 99.2,
"combined_score": 99.2,
"raw_semantic_score": 0.94,
"reach": 87400000
}
]
}Every parameter, response field and error code is in the documentation, and you can call any endpoint with your own key in the playground.
Every AI agent that researches a topic, writes a brief, or synthesises sources needs to know: who actually knows what they're talking about? That's the call Authorix answers. Before your agent cites a source or quotes an authority, it calls /api/v1/index or /api/v1/detail to verify authority.
searchSearch any topic and get a ranked list of the authorities on it, people and organisations alike.
"Find the top 5 authorities on quantum computing"detailGet full profile: bio, authority score, identity-resolved socials, follower counts, and website.
"Get the full profile for SDU 294152..."content BetaRead an authority's most recent posts across their channels, newest first.
"What has Andrej Karpathy posted lately?"peersMap the influence network around a social handle and find the top authorities in that circle.
"Who is in the same circle as @lexfridman?"matchLook up an authority directly by social handle or name, to verify who an account belongs to.
"Look up the authority profile for @sama"Everything you need to build authority-aware features without the data infrastructure overhead.
Structured JSON with authority scores, bios, and social handles — ready to inject into your LLM context.
No bots, no AI slop. Every authority is scored through our multi-layer methodology.
Pay per query. No minimums, no seat licenses. Top up your balance and scale as needed.
The index is continuously synced so your queries always reflect the current state of expertise on any topic.
From the blog
Get API access and $5 in free credits. Full reference in our documentation.