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

# Place a relay v2 callWithSyncFee request

> Please find more information here



## OpenAPI

````yaml post /relays/v2/call-with-sync-fee
openapi: 3.0.4
info:
  title: Relay API
  description: >-
    Gelato Relay API is a service that allows users and developers to get
    transactions mined fast, reliably and securely, without having to deal with
    the low-level complexities of blockchains.
  version: 1.0.12
servers:
  - url: https://api.gelato.digital
security: []
tags:
  - name: oracles
  - name: relays v2
  - name: tasks
paths:
  /relays/v2/call-with-sync-fee:
    post:
      tags:
        - relays v2
      summary: Place a relay v2 callWithSyncFee request
      description: Please find more information here
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                chainId:
                  type: number
                target:
                  type: string
                data:
                  type: string
                feeToken:
                  type: string
                gasLimit:
                  type: string
                retries:
                  type: number
      responses:
        '201':
          description: Successfully placed a callWithSyncFee request
          content:
            application/json:
              schema:
                type: object
                properties:
                  taskId:
                    type: string
        '400':
          description: Validation Error
        '404':
          description: Service Not Found

````