> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mag3nt.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get live Uniswap V4 market details for a CRT

> Returns pool state read live from-chain (fee tier, liquidity, creator-owed fees) plus any pending auto-vesting-lock calldata. Self-heals the DB row if a listing landed on-chain but the confirm call never completed.




## OpenAPI

````yaml /openapi.yaml get /api/cards/{id}/crt-market
openapi: 3.1.0
info:
  title: mag3nt API
  version: '2026-07-16'
  description: >
    Payment infrastructure for AI agents. Issue virtual cards backed by
    credentials, pay for API access via x402/AP2/MPP protocols, and settle in
    USDC on Base. Also covers Native Token Rails membership and recurring
    billing agreements, ERC-20 project token registration (including B20) and
    prepaid MAG3NT fee metering for DIRECT (non-custodial) settlement, the
    credential marketplace and Credential Token (CT) markets, account-wide token
    holdings, and signed webhooks for payment and subscription lifecycle events.
  contact:
    name: mag3nt
    url: https://mag3nt.com
  license:
    name: Proprietary
    url: https://github.com/mag3nt-com/mag3nt-node/blob/main/LICENSE
servers:
  - url: https://mag3nt.com
    description: Production
  - url: https://staging.mag3nt.com
    description: Staging, Base mainnet
security:
  - ApiKeyAuth: []
tags:
  - name: Payments
    description: Universal outbound protocol payments
  - name: Cards
    description: Virtual payment card lifecycle
  - name: Keys
    description: Developer API key management
  - name: Funding
    description: Treasury deposits and balances
  - name: x402
    description: HTTP 402 payment protocol
  - name: AP2
    description: Agent-to-Agent Payment Protocol
  - name: MPP
    description: Micropayment Protocol with streaming
  - name: Pay Links
    description: Shareable payment URLs
  - name: Withdrawals
    description: Withdraw unspent funds back to wallet
  - name: Settlement
    description: On-chain settlement status
  - name: Webhooks
    description: Signed payment and subscription lifecycle notifications for sellers
  - name: Status
    description: System health and configuration
  - name: Membership
    description: Native Token Rails membership tiers, checkout, and auto-renew
  - name: Billing
    description: Recurring billing agreements funded by AP2 open mandates
  - name: Tokens
    description: >-
      Register an ERC-20 contract (including B20 tokens) for DIRECT credential
      settlement
  - name: Fees
    description: Prepaid MAG3NT fee meter for DIRECT settlement overage
  - name: Marketplace
    description: >-
      List and transfer credential businesses (proof of record) on the mag3nt
      marketplace
  - name: Credential Tokens
    description: Credential Token (CT) launch and Uniswap V4 markets
  - name: Holdings
    description: Account-wide Credential Token balances
externalDocs:
  description: mag3nt documentation
  url: https://docs.mag3nt.com
paths:
  /api/cards/{id}/crt-market:
    get:
      tags:
        - Credential Tokens
      summary: Get live Uniswap V4 market details for a CRT
      description: >
        Returns pool state read live from-chain (fee tier, liquidity,
        creator-owed fees) plus any pending auto-vesting-lock calldata.
        Self-heals the DB row if a listing landed on-chain but the confirm call
        never completed.
      operationId: credentialTokensGetMarket
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Market details
          content:
            application/json:
              schema:
                type: object
                properties:
                  available:
                    type: boolean
                    description: >-
                      Whether CRT V4 markets are deployed on this network at
                      all.
                  chainId:
                    type: integer
                  ethUsd:
                    type:
                      - number
                      - 'null'
                  deployment:
                    type:
                      - object
                      - 'null'
                    properties:
                      launcher:
                        type: string
                      hook:
                        type: string
                      feeLocker:
                        type: string
                      lpLocker:
                        type: string
                  market:
                    oneOf:
                      - $ref: '#/components/schemas/CrtMarket'
                      - type: 'null'
                  constants:
                    type: object
                    description: >-
                      Launch-protection constants (fee schedule, dev-buy cap,
                      default valuation).
                  explorerBase:
                    type: string
components:
  schemas:
    CrtMarket:
      type: object
      description: Uniswap V4 fair-launch market state for a CRT (spec 008).
      properties:
        status:
          type: string
          enum:
            - NONE
            - LISTED
        venue:
          type: string
          example: uniswap_v4
        listed:
          type: boolean
        tokenReady:
          type: boolean
        token:
          type:
            - string
            - 'null'
        symbol:
          type: string
        name:
          type: string
        supply:
          type: number
        decimals:
          type: integer
        poolId:
          type:
            - string
            - 'null'
        launchTx:
          type:
            - string
            - 'null'
        creator:
          type: string
        lastMarketAt:
          type:
            - string
            - 'null'
          format: date-time
        vesting:
          type:
            - object
            - 'null'
          properties:
            streamUrl:
              type: string
            streamId:
              type: string
            keepBps:
              type: integer
        pendingVesting:
          type:
            - object
            - 'null'
          description: >-
            Ready-to-sign calldata to auto-finish locking the creator's kept
            slice in Sablier, when it is still pending.
        live:
          type:
            - object
            - 'null'
          description: >-
            Live on-chain pool reads (fee tier, liquidity, creator-owed fees),
            when the market is listed.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: API key prefixed with 'Bearer sx_live_...'

````