vocabulary:
  - term: seller
    definition: >
      The Anrok account holder (software company) that uses the API to calculate
      and remit sales tax on behalf of their customers.

  - term: transaction
    definition: >
      A sales event representing a charge to a customer. Transactions can be
      created, updated, negated, voided, or queried. Anrok calculates the
      applicable tax for each transaction at creation time.

  - term: ephemeral transaction
    definition: >
      A temporary tax calculation that is not persisted in Anrok. Used to
      preview tax amounts before committing a transaction.

  - term: negation
    definition: >
      A transaction that reverses or credits a prior transaction, used for
      refunds or corrections. Created via the createNegation endpoint.

  - term: certificate
    definition: >
      An exemption certificate issued by a customer claiming exemption from
      sales tax in one or more jurisdictions. Also called an exemption certificate.

  - term: certificate request
    definition: >
      An automated email sent to a customer requesting they upload an exemption
      certificate. Triggered via the certificateRequests/create endpoint.

  - term: nexus
    definition: >
      A legal presence or economic connection in a US state or foreign country
      that obligates a seller to collect and remit sales tax. Anrok manages nexus
      registrations across 11,000+ US jurisdictions and 100+ countries.

  - term: jurisdiction
    definition: >
      A taxing authority (state, county, city, or special district) whose tax
      rules apply to a transaction based on the customer address and seller nexus.

  - term: product tax category
    definition: >
      A standardized classification assigned to a product that determines how
      it is taxed across jurisdictions. Anrok provides a catalog of product tax
      categories.

  - term: product mapping
    definition: >
      An association between a billing system's product ID and an Anrok product
      and its product tax category, used for automatic tax classification.

  - term: tax ID
    definition: >
      A government-issued identifier such as a VAT number (EU), GST number, or
      EIN used to identify a taxable entity. Anrok validates these via the
      taxId/validate endpoint.

  - term: filing
    definition: >
      A tax return submitted to a jurisdiction on behalf of a seller summarizing
      collected and remitted sales tax for a reporting period.

  - term: line item
    definition: >
      A single chargeable component of a transaction, representing one product
      or service sold. Each line item contributes to the total taxable amount.

  - term: currency
    definition: >
      The ISO 4217 currency code for transaction amounts (e.g., "usd", "eur").
      All monetary amounts in the API are expressed in the smallest currency unit
      (e.g., cents for USD).

  - term: accountingTime
    definition: >
      The ISO 8601 timestamp representing when a transaction is recorded for
      accounting purposes, used to determine applicable tax rules for that date.

  - term: Bearer token
    definition: >
      The API authentication credential passed in the Authorization header as
      "Bearer {apiKey}". Obtained from the Anrok dashboard.

  - term: rate limit
    definition: >
      The maximum request throughput allowed per seller account. The default
      limit is 10 API requests per second.

  - term: Anrok Atlas
    definition: >
      An AI-native agentic tax partner offered by Anrok for proactive compliance
      monitoring, alerting sellers to nexus obligations and regulatory changes.

  - term: integration
    definition: >
      A connection between Anrok and a billing system (e.g., Stripe, Chargebee,
      Recurly) that enables product ID mapping and automated tax synchronization.