# Noxint Docs > Documentation for Noxint, the data layer for autonomous trading: an AI market analyst for crypto and US equities, built on an agent-first market data engine. ## Docs - [Authentication and keys](https://docs.noxint.ai/api/authentication.md): Personal nx_ keys, key lifecycle, which operations need a key, and rate limits - [Data credits](https://docs.noxint.ai/api/billing.md): One credit per delivered materialization, reserved up front and settled to what actually arrived - [Errors](https://docs.noxint.ai/api/errors.md): Typed, machine-parseable failures with an explicit retryable flag, exactly what a retry loop wants - [Idempotency](https://docs.noxint.ai/api/idempotency.md): Retries can never double-charge: the Idempotency-Key header and a 24-hour replay window - [Domain operations](https://docs.noxint.ai/api/operations/domains.md): 12 single-domain operations: exactly the slice you want, priced per delivered asset - [List operations](https://docs.noxint.ai/api/operations/lists.md): History, filed statements, corporate events, holders, and cross-asset ranking - [Operations overview](https://docs.noxint.ai/api/operations/overview.md): All 23 operations, how they bill, and the asset-ID grammar agents can store forever - [read](https://docs.noxint.ai/api/operations/read.md): One call, the whole picture: the current situation for an asset across every domain - [Discovery and account](https://docs.noxint.ai/api/operations/teaching.md): Five free operations that let a cold-start agent teach itself the entire API before spending a credit - [API quickstart](https://docs.noxint.ai/api/quickstart.md): Your agent's first market read is one GET away: personal keys, data credits, and a first normalized call - [Chat credits and pricing](https://docs.noxint.ai/chat/credits.md): Pay per answer from a credit balance, with the maximum cost reserved up front and the difference refunded - [The analyst](https://docs.noxint.ai/chat/overview.md): Ask in plain language, get an answer built from the live tape, not from model memory - [Security and privacy](https://docs.noxint.ai/chat/privacy.md): Privacy as architecture: wallet-only identity, reasoning that is never stored, responses that are never cached - [The data contract](https://docs.noxint.ai/data/contract.md): How we solved the agent data problem: finished market facts with context, clocks, and typed refusals built into the wire format - [What is Noxint](https://docs.noxint.ai/index.md): The data layer for autonomous trading: an AI analyst you can use today, built on an agent-first market data engine - [MCP server](https://docs.noxint.ai/mcp/overview.md): If your agent speaks MCP, it is one config block away from the live tape - [Quickstart](https://docs.noxint.ai/quickstart.md): Wallet in, 100 credits claimed, first grounded answer back, in about a minute - [Holder flow](https://docs.noxint.ai/token/holder-flow.md): The tiers, the two-part verification that cannot be gamed with a snapshot, and the accrual rules - [$NOXINT](https://docs.noxint.ai/token/overview.md): Hold the token, and inference flows to your account every day. That is the deal, and it is designed to still work in year two - [Risks and disclaimer](https://docs.noxint.ai/token/risks.md): The risks of using Noxint and holding $NOXINT, stated straight - [Launch status](https://docs.noxint.ai/token/status.md): The honest ledger: what is live, what is gated on the token, and what runs in production but is not public yet - [Tokenomics and treasury](https://docs.noxint.ai/token/tokenomics.md): Credit packs, a published solvency cap on all free service, and a treasury that budgets realized money only ## OpenAPI Specs - [openapi](https://docs.noxint.ai/api-reference/openapi.json)