generated: '2026-07-19'
method: derived
source: openapi/ (schema $ref graph across Sequence services)
entities:
  - name: Project
    domain: builder
    description: A Sequence Builder project; owns access keys, contracts, audiences, webhooks
  - name: Contract
    domain: builder/metadata
    description: A deployed smart contract (ERC-20/721/1155) tracked by the project
  - name: TokenMetadata
    domain: metadata
    description: Metadata for a token id within a contract collection
  - name: ContractInfo
    domain: metadata
    description: Collection-level contract metadata (name, symbol, type, extensions)
  - name: TokenBalance
    domain: indexer
    description: An account's balance of a token/native asset on a chain
  - name: Transaction
    domain: indexer/transactions
    description: An on-chain transaction and its receipt/history
  - name: WebhookListener
    domain: indexer
    description: A registered webhook subscription filtering on-chain events for a project
  - name: Order
    domain: marketplace
    description: A marketplace listing or offer for a collectible
  - name: Collectible
    domain: marketplace
    description: A tradable NFT within a collection on the marketplace
  - name: Audience
    domain: builder
    description: A contact audience for messaging/campaigns
relationships:
  - from: Project
    to: Contract
    type: has_many
    via: projectId
  - from: Project
    to: WebhookListener
    type: has_many
    via: projectId
  - from: Project
    to: Audience
    type: has_many
    via: projectId
  - from: Contract
    to: TokenMetadata
    type: has_many
    via: contractAddress
  - from: Contract
    to: ContractInfo
    type: has_one
    via: contractAddress
  - from: TokenBalance
    to: ContractInfo
    type: belongs_to
    via: contractAddress
  - from: Order
    to: Collectible
    type: belongs_to
    via: tokenId
  - from: Collectible
    to: ContractInfo
    type: belongs_to
    via: contractAddress
identifiers:
  - entity: account
    format: EVM address (0x + 40 hex)
  - entity: contract
    format: EVM address (0x + 40 hex)
  - entity: token
    format: tokenId (uint256 string) scoped to a contract + chainId