> ## Documentation Index > Fetch the complete documentation index at: https://docs.pingtree.com/llms.txt > Use this file to discover all available pages before exploring further. # Campaign APIs > Access API specifications for lead creation, update, fetch, and reporting functions at the campaign level. ## Overview The **Campaign APIs** tab provides access to a suite of API specifications that allow external systems to interact with Pingtree campaign data for lead handling, updates, and performance analysis. All Sources *** ## Available APIs * **[Create Form API](/api-explore/campaign/form-api)**\ Enables seamless lead form creation and submission. Ideal for capturing user data from landing pages or campaign websites, ensuring accurate and real-time lead intake. * **[Update Form API](/api-explore/campaign/update-api)**\ Allows modification of existing lead form data. Useful for correcting information, adding new data, or refining submissions post-entry. * **[Fetch Form Submission API](/api-explore/campaign/fetch-response)**\ Retrieves details of submitted lead forms. This ensures transparency and access to the exact data submitted for review or validation. * **[Campaign Lead List API](/api-explore/campaign/lead-list-api)**\ Provides a comprehensive list of all leads associated with a campaign. This supports follow-ups, analytics, and reporting. * **[Campaign Source Overview API](/api-explore/campaign/source-list-api)**\ Returns statistical and performance data from various lead sources within the campaign. Use this to evaluate effectiveness and optimize campaign sourcing strategies. > Tip: These APIs are especially helpful for integrating external CRMs, analytics tools, or lead systems with your Pingtree campaigns.