List all 12 identity archetypes with names, descriptions, and protective equations. Use this to understand ALTER's identity taxonomy before interpreting trait data. Returns static reference data. Free L0 — no authentication required.

Get the trust score for a person's identity based on query diversity. Use this to gauge how broadly trusted an identity is across the network. Score = unique querying agents / total queries — higher means diverse demand. Free L0.

Calculate UK VAT — convert between net (ex-VAT) and gross (inc-VAT) amounts

Get a person's accrued Identity Income — earnings from x402 micropayments made by agents who queried their identity data. Use this when a person asks 'how much have I earned?' Returns total earned, pending amount, transaction count, and unique queriers. 75% of each payment goes to the data subject. Free L0.

Complete one step of the Three Knots agent onboarding sequence. Knot 1: register your operator (who built you, your domain). Knot 2: describe yourself (purpose, capabilities, values, constraints) — you receive an Agent Identity Sketch back. Knot 3: reflect on an identity query (min 50 chars). Complete all three to be permanently registered on the Golden Thread.

Get a person's identity profile summary. Use this for a quick overview when you already know their candidate_id. Returns assessment phase, archetype, engagement level, and key attributes. For deeper trait data, use get_trait_snapshot or get_full_trait_vector instead. Free L0.