39 Domain Schemas

GraphQL API

Query 39 domains with a single endpoint. Real-time subscriptions, Sanctum auth, and Lighthouse-powered schema composition.

Quick Start

Endpoint

POST /graphql

Authentication

Authorization: Bearer {token}

Introspection

{ __schema { types { name } } }

Query — Fetch account with balance

query {
  account(id: "abc-123") {
    id
    name
    balance
    currency
    status
    created_at
  }
}

Query — Paginated accounts list

query {
  accounts(first: 10, page: 1) {
    data {
      id
      name
      balance
    }
    paginatorInfo {
      total
      currentPage
      lastPage
    }
  }
}

Mutation — Place exchange order

mutation {
  placeOrder(input: {
    pair: "USDC/EUR"
    side: BUY
    type: LIMIT
    amount: "100.00"
    price: "0.92"
  }) {
    id
    status
    filled_amount
    created_at
  }
}

cURL example

curl -X POST https://api.zelta.app/graphql \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -d '{"query": "{ accounts(first: 5) { data { id name balance } } }"}'

Domain Schemas

39 domain-specific schemas composed into one unified GraphQL endpoint. Each domain provides queries, mutations, and types scoped to its bounded context.

Core Banking

Account	`account.graphql`	Queries + Mutations	Account CRUD, balances, freeze/unfreeze
Payment	`payment.graphql`	Mutations	Initiate deposits, withdrawals
Banking	`banking.graphql`	Queries + Mutations	Bank connections, transfers, sync
Asset	`asset.graphql`	Queries	Exchange rates, asset definitions
Product	`product.graphql`	Queries + Mutations	Product activation, catalog

Trading & Exchange

Exchange	`exchange.graphql`	Queries + Mutations + Subs	Orders, order book, trades
Basket	`basket.graphql`	Queries + Mutations	GCU basket composition, rebalance
Stablecoin	`stablecoin.graphql`	Queries + Mutations	Mint, redeem, collateral

Wallet & Payments

Wallet	`wallet.graphql`	Queries + Mutations + Subs	Multi-sig wallets, transfers, balances
Mobile Payment	`mobile-payment.graphql`	Queries + Mutations	Payment intents, receipts
Card Issuance	`card-issuance.graphql`	Queries + Mutations	Virtual/physical card provisioning
Relayer	`relayer.graphql`	Mutations	Smart accounts, gas sponsorship
X402	`x402.graphql`	Queries + Mutations	Monetized endpoints, spending limits

Compliance & Security

Compliance	`compliance.graphql`	Queries + Mutations	KYC, AML checks, alerts
Fraud	`fraud.graphql`	Queries + Mutations	Fraud cases, detection, escalation
RegTech	`regtech.graphql`	Queries	Regulatory reporting, health checks
Regulatory	`regulatory.graphql`	Queries + Mutations	Filing submissions, reports

DeFi & Cross-Chain

DeFi	`defi.graphql`	Queries + Mutations	Positions, lending, staking
CrossChain	`crosschain.graphql`	Queries + Mutations + Subs	Bridge transfers across chains
Lending	`lending.graphql`	Queries + Mutations	Loan applications, approval
Treasury	`treasury.graphql`	Queries + Mutations + Subs	Portfolios, rebalancing, NAV

Identity & Privacy

Privacy	`privacy.graphql`	Queries + Mutations	ZK proofs, Merkle trees, delegated proofs
Key Management	`key-management.graphql`	Queries + Mutations	Key shards, Shamir splitting, recovery
Trust Cert	`trust-cert.graphql`	Queries + Mutations	Verifiable credentials, certificates
Commerce	`commerce.graphql`	Queries + Mutations	Soulbound tokens, merchant onboarding

AI & Agents

AI	`ai.graphql`	Queries + Mutations	Conversations, prompt templates, LLM
Agent Protocol	`agent-protocol.graphql`	Queries + Mutations	DID, A2A messaging, reputation

Platform

User	`user.graphql`	Queries + Mutations	Profiles, preferences, analytics
Mobile	`mobile.graphql`	Queries + Mutations	Device management, sessions
Governance	`governance.graphql`	Queries + Mutations	Polls, voting, proposals
Rewards	`rewards.graphql`	Queries + Mutations	Quests, XP, shop, streaks
Plugin	`plugin.graphql`	Queries + Mutations	Plugin management, marketplace
Batch	`batch.graphql`	Queries + Mutations	Batch job operations
CGO	`cgo.graphql`	Queries + Mutations	Investment operations
Custodian	`custodian.graphql`	Queries	Custodian account info
Financial Institution	`financial-institution.graphql`	Queries + Mutations	Partner onboarding, BaaS

Real-Time Subscriptions

Subscribe to live data streams via WebSocket. Powered by Pusher/Soketi protocol.

orderBookUpdated pair: String! Live order book changes for a trading pair

tradeExecuted pair: String! Trade executions for a pair

orderMatched pair: String Order matching events

walletBalanceUpdated wallet_id: ID! Wallet balance changes

portfolioRebalanced portfolio_id: String Portfolio rebalancing events

paymentStatusChanged payment_id: ID Payment status updates

bridgeTransferCompleted transfer_id: ID Cross-chain bridge completions

Subscription example

subscription {
  orderBookUpdated(pair: "USDC/EUR") {
    bids { price amount }
    asks { price amount }
    updated_at
  }
}

Rate Limits & Security

Rate Limits

Guest requests30 / min

Authenticated requests120 / min

Query Limits

Max complexity200

Max depth10 levels

Max query cost500

Scalars

DateY-m-d (2026-03-15)

DateTimeY-m-d H:i:s

Multi-Tenancy

Operations are scoped to the authenticated user's team via the @tenant directive. No cross-tenant data leakage.

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