---
schema_version: "1"
id: d754553384adb83d51269d88a53ded2aa76bd86cee9dde972bf7e5d2686702ac
title: Resources—Salesforce
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/integration_patterns_and_practices/integ_pat_resources_internal.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.integration_patterns_and_practices.meta/integration_patterns_and_practices/integ_pat_resources_internal.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: f7a60a8e00f7112b7734d3ecac19bfcab32443bd2cd9633e869fbdfef99bfe1d
---
# Resources—Salesforce

## Developer Documentation

- [Salesforce Help: Give Integration Users API Only Access](https://help.salesforce.com/s/articleView?id=platform.integration_user.htm&type=5&language=en_US "HTML (New Window)")
- [SOAP API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.api.meta/api/sforce_api_quickstart_intro.htm "HTML (New Window)")
- [REST API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/intro_what_is_rest_api.htm "HTML (New Window)")
- [Streaming API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.api_streaming.meta/api_streaming/intro_stream.htm "HTML (New Window)")
- [Bulk API 2.0 and Bulk API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.api_asynch.meta/api_asynch/asynch_api_intro.htm "HTML (New Window)")
- [Apex Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_dev_guide.htm "HTML (New Window)")
- [SOQL and SOSL Reference](https://developer.salesforce.com/docs/atlas.en-us.soql_sosl.meta/soql_sosl/sforce_api_calls_soql_sosl_intro.htm "HTML (New Window)")
- [Salesforce Developer Limits and Allocations Quick Reference](https://developer.salesforce.com/docs/atlas.en-us.salesforce_app_limits_cheatsheet.meta/salesforce_app_limits_cheatsheet/salesforce_app_limits_overview.htm "HTML (New Window)")
- [Platform Events Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.platform_events.meta/platform_events/platform_events_intro.htm "HTML (New Window)")
- [Apex Developer Guide: Salesforce Connect](https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/platform_connect_about.htm "HTML (New Window)")

## Trailhead

- [Large Data Volumes](https://trailhead.salesforce.com/en/content/learn/modules/large-data-volumes "HTML (New Window)")
- [Platform Events Basics](https://trailhead.salesforce.com/en/content/learn/modules/platform_events_basics "HTML (New Window)")
- [Change Data Capture Basics](https://trailhead.salesforce.com/en/content/learn/modules/change-data-capture "HTML (New Window)")
- [Salesforce Connect](https://trailhead.salesforce.com/en/content/learn/modules/lightning_connect "HTML (New Window)")
- [Quick Start: Salesforce Connect](https://trailhead.salesforce.com/en/content/learn/projects/quickstart-lightning-connect "HTML (New Window)")