Tooling API

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Introducing Tooling API
When to Use Tooling API
Release Notes
REST Overview
REST Resources
REST Resource Examples
REST Headers
REST Header Examples
Improve Performance with the Composite Resource
Composite Request Body
Composite Response Body
Group Operations for Fewer Round Trips with SObject Collections
API End-of-Life Policy
SOAP Calls
Tooling API Objects and Namespaces
Tooling API Objects
SOAP Headers for Tooling API
REST Headers for Tooling API
PDF

Improve Performance with the Composite Resource

Use the /composite resource to improve the performance of a development tool or app built with Tooling API. This resource executes a series of Tooling API requests in a single call, minimizing the number of round trips needed between the client and server. You can use the output of one request as the input to a subsequent request. The requests’ response bodies and HTTP statuses are returned in a single response body. The entire request counts as a single call toward your API limits. Available in API version 40.0 and later.

For the most current API limit information, see the Salesforce Developer Limits Quick Reference. Contractual limits may also apply, as per your Salesforce contract.

The requests in a composite call are called subrequests. The subrequests are executed in the context of the same user.

In a subrequest’s body, you specify a reference ID that maps to the subrequest’s response. You can then refer to the ID in the url or body fields of later subrequests by using a JavaScript-like reference notation.

You can specify whether an error in a subrequest causes the entire composite request to roll back or just the subrequests that depend on it. You can also specify headers for each subrequest.

The following resources support composite.
  • All sObject resources (vXX.X/tooling/sobjects/)
  • The Query resource (vXX.X/tooling/query/?q=soql)

You can have up to 25 subrequests in a single call. Up to five of these subrequests can be query operations.

Note

URI
/vXX.X/composite
Formats
JSON
HTTP method
GET (lists other available composite resources), POST
Authentication
Authorization: Bearer token
Parameters
None required
Request body
Composite Request Body
Response body
Composite Response Body

Example

The following composite request body includes five subrequests.
  • The first subrequest creates a MetadataContainer.
  • The second subrequest creates an ApexClassMember.
  • The third subrequest creates a ContainerAsyncRequest and starts the asynchronous deployment process.
  • The fourth subrequest gets the created ContainerAsyncRequest.
  • The fifth subrequest gets the created MetadataContainer.
The five subrequests count as a single call toward the API limit.
{
  "allOrNone":false,
  "compositeRequest":
  [
    {
     "method":"POST",
     "body":{
       "Name":"MetadataContainer Unique Name"
     },
     “url":"/services/data/v40.0/tooling/sobjects/metadatacontainer/",
     "referenceId":"metadatacontainer_reference_id"
    },
    {
     "method":"POST",
     "body":{
       "contententityid":"<ID of an ApexClass you want to update>" ,
       "fullname":"ApexClassMemberUniqueFullName",
       "body":"public class Classtest2test {}",
       "MetadataContainerId":"@{metadatacontainer_reference_id.id}"
     },
     "url":"/services/data/v40.0/tooling/sobjects/apexclassmember/",
     "referenceId":"apexclassmember_reference_id"
    },
    {
     "method":"POST",
     "body":{
       "IsCheckOnly":"false",
       "MetadataContainerId":"@{metadatacontainer_reference_id.id}"
     },
     "url":"/services/data/v40.0/tooling/sobjects/containerasyncrequest/",
     "referenceId":"containerasyncrequest_reference_id"
    },
    {
     "method":"GET",
   "url":"/services/data/v40.0/tooling/sobjects/containerasyncrequest/@{containerasyncrequest_reference_id.id}",
     "referenceId":"containerasyncrequest_GET_reference_id"
    },
    {
     "method":"GET",
     "url":"/services/data/v40.0/tooling/sobjects/metadatacontainer/@{metadatacontainer_reference_id.id}",
     "referenceId":"metadatacontainer_GET_reference_id"
    }
  ]
}