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Gravity Forms Basecamp Integration Premium Add-on Documentation

Last updated: October 6, 2026 β€’ Author: admin
Table of Contents

1. Overview & System Requirements

The Gravity Forms Basecamp Integration Premium Add-on connects your WordPress forms directly to Basecampβ€”the revered project management and internal communication software created by 37signals. Built around the principles of calm, organized teamwork, Basecamp consolidates discussions, tasks, and files into structured projects. Manually transferring customer inquiries, project intake requests, and client feedback into Basecamp causes bottlenecks and fractures team focus.

With this integration, incoming form submissions automatically transform into actionable Basecamp items. You can choose whether submissions create assigned To-dos inside target To-do lists, publish formatted announcements to project Message Boards, or trigger instant notifications inside Campfire group chats. Connecting directly via the official Basecamp REST API, data synchronizes reliably in real time with zero third-party subscription fees.

Gravity Forms Basecamp Integration Architecture
Figure 1: Automated Gravity Forms to Basecamp To-dos & Message Board Synchronization

System Environment Prerequisites

Ensure your infrastructure satisfies these baseline prerequisites:

  • WordPress Environment: WordPress 5.8 or higher.
  • Gravity Forms Core: Gravity Forms 2.5 or higher installed and active.
  • PHP Version: PHP 7.4 through PHP 8.3 with cURL and OpenSSL extensions enabled.
  • Basecamp Account: Active Basecamp account (Basecamp 3 or Basecamp 4).
  • Basecamp API Access: OAuth 2.0 app credentials or personal access token with Account ID.

2. Authentication & Basecamp API Configuration

The integration communicates with the official Basecamp REST API via 37signals Launchpad authentication:

Gravity Forms Settings Basecamp Navigation
Figure 2: Accessing the Basecamp Integration Settings in Gravity Forms
Basecamp OAuth 2.0 Authorization Screen
Figure 3: Authorizing the Gravity Forms Basecamp Add-on via 37signals OAuth 2.0
Basecamp Connected Account Confirmation
Figure 4: Active Basecamp Account Verification with Organization Identifier

Obtaining Your Basecamp API Credentials

  1. Log in to your Basecamp account at basecamp.com.
  2. Visit launchpad.37signals.com/integrations to register a custom integration or generate a personal access token.
  3. Ensure permissions are granted for your Basecamp account.
  4. Note your numerical Account ID (found in your Basecamp project URLs, e.g. https://3.basecamp.com/1234567/projects/...).
  5. Copy your Access Token or OAuth Client ID and Secret to your clipboard.

Configuring in WordPress Dashboard

  1. In WordPress, navigate to Forms → Settings → Basecamp.
  2. Enter your Account ID and paste your Access Token.
  3. Click Test Connection. The system verifies authorization and queries accessible Basecamp projects. A green success confirmation verifies proper connection.
  4. Click Save Settings.

3. Feed Configuration & Field Mapping

Feeds allow you to configure custom action types and destinations for each form across your WordPress site:

Basecamp Feed Configuration Project Selection
Figure 5: Selecting Target Basecamp Project and Destination Tool (To-Dos or Message Board)
Basecamp To-Do Field Mapping and Assignee Selection
Figure 6: Mapping Form Fields to To-Do Content, Description Notes, Due Date, and Assignees

Action Type & Destination Mapping

  • Target Project: Select the destination Basecamp project from your account list (e.g. Client Onboarding, Product Development).
  • Select Action Type: Choose between creating a To-do (inside a designated To-do list), posting a Message (on the Message Board), or sending a Campfire message.
  • Title & Content: Map form text fields or compile multiple inputs using Gravity Forms merge tags (e.g. New Client Intake: {Company_Name:3}).
  • Assignee & Due Date: For To-dos, select project team members to assign tasks to and map date-picker fields as the due date.

Conditional Logic & Routing

Control item creation using built-in conditional rules:

  • Urgent Inquiries: Route critical issues to a Campfire room for immediate team attention while normal feedback creates standard To-dos.
  • Project Triage: Route inquiries to different Basecamp projects based on the user’s selected department or service package.

4. Advanced Collaborative Workflows & Agency Operations

Connecting Gravity Forms with Basecamp simplifies team orchestration:

Basecamp Conditional Logic and Execution Rules
Figure 7: Setting Up Conditional Rules to Route Inquiries to Specific Basecamp Teams
Basecamp Live To-Do Card Created via Form Submission
Figure 8: Live Entry Verification Showing an Automated Basecamp To-Do Card with Form Data
  • Automated Client Onboarding Checklists: When a new client signs up, their form submission triggers a series of essential onboarding To-dos across your design, development, and account management teams.
  • Project Brief Publication: Format complex multi-page inquiry questionnaires into comprehensive HTML project briefs published directly to the project Message Board for team review and discussion.
  • Live Customer Inquiry Alerts: Send immediate ping summaries into the team’s Campfire chat room so all team members stay informed of high-intent customer requests in real time.
  • File Attachment Links: Uploaded proposal documents, asset archives, or screenshots are embedded as secure links inside the Basecamp To-do or Message description.

5. Troubleshooting & Diagnostic Error Matrix

When item creation encounters issues, consult the following diagnostic matrix:

HTTP Status / Error Root Cause Exact Technical Resolution
401 Unauthorized Invalid or expired Basecamp access token. Generate a fresh access token in 37signals Launchpad and update WordPress settings.
400 Bad Request Missing required item content or invalid assignee numerical ID. Ensure the title/content template contains valid merge tags and assignee matches project members.
404 Not Found Target Project ID or To-do List ID was deleted or archived in Basecamp. Re-save the form feed in WordPress to refresh active projects and tool lists from Basecamp.
429 Rate Limit Exceeded Exceeded Basecamp API rate limit of 50 requests per 10 seconds. Space out automated test submissions or enable background queue processing.

6. Developer Extensibility & Filter Hooks

Developers can programmatically modify item payloads or execute custom actions upon successful synchronization:




Filter Basecamp To-do Payload

PHP

/**
 * Filter: gform_basecamp_todo_payload
 * Purpose: Dynamically filter To-do attributes prior to sending to Basecamp REST API.
 * 
 * @param array $payload The formatted API request body destined for /todos.json.
 * @param array $feed    The Gravity Forms Basecamp feed settings.
 * @param array $entry   The submitted Gravity Forms entry object.
 * @param array $form    The active form object.
 * @return array Modified To-do payload.
 */
add_filter( 'gform_basecamp_todo_payload', function( $payload, $feed, $entry, $form ) {
    // Append client IP address and submission timestamp to To-do description
    $payload['description'] .= sprintf(
        '

Submitted via %s on %s (IP: %s)', esc_html( $form['title'] ), current_time( 'Y-m-d H:i' ), sanitize_text_field( rgar( $entry, 'ip' ) ) ); return $payload; }, 10, 4 );



Post Item Creation Action Hook

PHP

/**
 * Action: gform_basecamp_post_item_create
 * Purpose: Record returned Basecamp Item ID into entry metadata.
 * 
 * @param string $item_id The created Basecamp Item ID.
 * @param string $type    The item type ('todo', 'message', 'campfire').
 * @param array  $entry   The active Gravity Forms entry.
 */
add_action( 'gform_basecamp_post_item_create', function( $item_id, $type, $entry ) {
    if ( ! empty( $item_id ) ) {
        gform_update_meta( $entry['id'], '_basecamp_' . $type . '_id', sanitize_text_field( $item_id ) );
        GFFormsModel::add_note( $entry['id'], 0, 'Basecamp', ucfirst( $type ) . ' created in Basecamp. ID: ' . $item_id );
    }
}, 10, 3 );

7. Frequently Asked Questions

Does this add-on support both Basecamp 3 and Basecamp 4?

Yes. The add-on is fully compatible with both Basecamp 3 and Basecamp 4 accounts via the standard 37signals API.

Can I notify team members when a new To-do or Message is created?

Yes. Under feed settings, you can select which project team members should receive Basecamp notifications when the new item is created.

Does this add-on require Zapier or third-party webhooks?

No. It communicates directly with the Basecamp REST API via WordPress wp_remote_post, eliminating intermediate monthly fees and third-party data exposure.

Where can I find the created Basecamp record in WordPress?

The add-on automatically logs the returned Basecamp Item ID directly inside the Gravity Forms Entry Notes sidebar with complete audit details.

Ready to Supercharge Your Workflow?

Connect Gravity Forms directly to Basecamp to automate To-do creation, project messages, and Campfire alerts.

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