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Twilio GoHighLevel Integration: The Complete, Step-by-Step Definitive Guide — hero
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Twilio GoHighLevel Integration: The Complete, Step-by-Step Definitive Guide

Connect your own Twilio account to GoHighLevel with this complete step-by-step guide covering credentials, webhooks, A2P 10DLC, features, and troubleshooting.

Anas Uddin
June 8, 2026
19 min read

Integrating your own Twilio account with GoHighLevel (GHL) allows agencies and businesses to manage SMS, MMS, WhatsApp, and voice communications directly from their CRM platform. While GoHighLevel offers a native, built-in LeadConnector (LC) Phone System, which operates on a shared Twilio carrier pool, connecting your own direct Twilio account provides granular control over billing, phone number provisioning, communication logs, regulatory compliance routing, and carrier relations. This guide provides clear, step-by-step instructions and technical steps required to establish a secure, high-fidelity connection between your Twilio account and the GoHighLevel dashboard using API credentials.


TL;DR

The Twilio GoHighLevel integration connects GoHighLevel to your Twilio console using your Account SID and Auth Token. To establish this connection, navigate to Settings > Phone Services (or Phone Routing, Twilio, or Phone Numbers > Integrations) at the GoHighLevel Agency level, and paste your Twilio credentials. Once connected, GoHighLevel allows you to purchase, import, or assign phone numbers to your sub-accounts, configure webhook routing for real-time inbound synchronization, and complete your A2P 10DLC registration to ensure high SMS/MMS deliverability.


Table of contents

  1. What are the prerequisites for Twilio GoHighLevel integration?
  2. How to connect Twilio to GoHighLevel? (Step-by-Step)
  3. How to configure Twilio webhooks for GoHighLevel?
  4. How to set up advanced Twilio features in GoHighLevel?
  5. What features are unlocked by integrating Twilio with GoHighLevel?
  6. How to register for A2P 10DLC compliance on GoHighLevel?
  7. What are the best practices for Twilio GoHighLevel integration?
  8. How to troubleshoot common Twilio GoHighLevel integration issues?
  9. Frequently Asked Questions (FAQ)

What are the prerequisites for Twilio GoHighLevel integration?

Before starting the integration process, ensure you have gathered the following administrative access and setups:

  • An active GoHighLevel account – Any paid plan (Starter, Unlimited, or Pro) with phone/SMS features enabled, with Agency Admin or Sub-Account Admin permissions. (Agency Admin permissions are required to configure integrations and manage settings globally at the agency level).
  • An active, upgraded Twilio account – Sign up at twilio.com or twilio.com/try-twilio. (A free trial comes with a $0.50 credit and only allows messages to verified numbers. You must upgrade your Twilio project by adding a valid payment method and funding your balance to send live messages without trial restrictions).
  • A funded Twilio account balance – Your Twilio account must be upgraded and funded to send live messages, make calls, and purchase phone numbers.
  • A Twilio phone number – Purchased from the Twilio Console with SMS and/or Voice capabilities (or the ability to purchase one during setup).
  • Your Twilio API Credentials – Located on your Twilio Console dashboard: your Account SID (starts with "AC...") and primary Auth Token.
  • Compliance Readiness – A registered business entity (required for A2P 10DLC SMS compliance if sending traffic to US/CA numbers). Your legal business name, EIN or Tax ID, and official business address must precisely match your official tax and Twilio billing records.
Important: If you plan to send SMS messages to US or Canadian recipients using a local (10-digit) phone number, A2P 10DLC registration with mobile network carriers is mandatory. Unregistered numbers will experience severe delivery throttling (down to 1 message per minute), high carrier filtering, complete message blocking, or mobile carriers flagging your Twilio phone numbers as spam. Complete this registration in your Twilio Console or GHL Trust Center before connecting to GoHighLevel.

How to connect Twilio to GoHighLevel? (Step-by-Step)

Follow these steps to successfully link your custom Twilio account to GoHighLevel.

Step 1: Create a Twilio Account

  1. GoHighLevel requires a Twilio account, which you can create by navigating to twilio.com/try-twilio and signing up for a free Twilio account.
  2. Verify your email address and phone number to complete the Twilio registration.
  3. Once registered, access the Twilio Console dashboard to manage your communication resources.
  4. Upgrade the Twilio account to a paid tier by adding a credit card and funding your balance to remove trial limitations.

Step 2: Purchase a Twilio Phone Number

  1. In the Twilio Console, navigate to Phone Numbers > Manage > Buy a Number to acquire a sender ID.
  2. Search for a number with the specific capabilities you require:
  • SMS — Required for text messaging through GoHighLevel.
  • MMS — Required for sending images and media files.
  • Voice — Required for making and receiving phone calls.
  • WhatsApp — Can be enabled on the number after purchase.
  1. Select your desired number and click Buy.
  • Cost Note: Twilio local numbers cost approximately $1.15/month in the US. Toll-free numbers, which route through major carriers, are available for $2.15/month (or $2.00/month depending on routing) and offer higher messaging throughput. Some countries have specific address requirements for purchasing numbers, which must be configured in your Twilio account settings.
Tip: For the best SMS deliverability in the US, use a local number with A2P 10DLC registration, or a toll-free number with verified ownership. Both provide better delivery rates than shared short codes.

Step 3: Retrieve Your Twilio API Credentials

  1. Log in to your Twilio Console to access your API credentials.
  2. Scroll down to the Account Info section on the main dashboard.
  3. Locate and copy the two specific strings of credential data:
  • Account SID: A unique 34-character identifier starting with AC.
  • Auth Token: A secure token used to authenticate API requests. Click the "eye" icon, "Show", or "View" link to reveal it.
Twilio Console Credentials: Account SID: ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx — Auth Token: yourauthtokenherexxxxxxxxxxxxxxxx

Note: Ensure you copy the "Live" credentials, not the "Test" credentials, and verify that you are using the primary Auth Token, not an API Key/Secret pair. Copy both strings to a secure text document, ensuring no extra or trailing spaces are included.

Security: Never share your Auth Token publicly or commit it to version control. Treat your Auth Token like a password. If compromised, regenerate it immediately in the Twilio Console under Settings > General.

Step 4: Navigate to GoHighLevel Settings

Log in to your GoHighLevel dashboard. GoHighLevel allows you to input your keys at either the Agency or Sub-Account level depending on your administrative setup and GHL version:

  • Agency Level (Global/SaaS Mode - Recommended):
  1. Switch to the Agency View (do not attempt this from a specific sub-account view).
  2. Click on Settings (represented by the gear icon in the bottom-left corner of the sidebar).
  3. Select Phone Provider, TWILIO / PHONE, Twilio, or Phone Routing (depending on your GHL UI version) in the left-hand menu.
  4. Select the option to use your own custom Twilio account instead of LeadConnector, or click the "Connect", "Edit", or "Add Twilio Account" button on the Twilio card.
  • Sub-Account Level:
  1. Switch to the specific Sub-Account you wish to configure.
  2. Click on Settings in the bottom-left corner.
  3. Under the "Business Services" section, click on Phone Services or Phone Numbers and select the Twilio tab at the top.
Note: If you do not see the Twilio option, ensure your GHL plan supports custom Twilio integrations. The built-in option may appear as "LC Phone" or "Twilio (Managed)", which are distinct from connecting your own account.

Step 5: Input Twilio Credentials into GoHighLevel

  1. GoHighLevel provides a Twilio integration form where you must paste the credentials gathered in Step 3:
  • Paste your Twilio Account SID into the "Account SID" field.
  • Paste your Twilio Auth Token into the "Auth Token" field.
  1. Click Save, Connect, or Authorize so GoHighLevel can establish and validate the connection.
  2. Wait 5–10 seconds for GoHighLevel to validate these credentials against the Twilio API. Upon success, a confirmation message (such as a green toast notification reading "Twilio Connected Successfully") will confirm your GoHighLevel agency or location is actively linked.

Step 6: Configure and Sync Phone Numbers

Once the connection is validated, GoHighLevel will sync with your Twilio account.

  1. Switch GoHighLevel to the specific Sub-Account (location) you wish to configure.
  2. Navigate to Settings > Phone Numbers (or Phone Numbers > Numbers tab).
  3. Click the green + Add Number (or Assign Number) button.

Depending on your needs, choose one of the following options:

Option A: Purchase a New Number Directly Through GoHighLevel

  1. Click "Buy Number" or "Add Phone Number", ensuring GoHighLevel uses Twilio as the provider.
  2. Search for available numbers by area code or zip code. GoHighLevel queries available numbers directly from your connected Twilio inventory.
  3. Filter or select by capabilities (SMS, MMS, Voice).
  4. Select your desired number and confirm the purchase. GHL will deduct the number cost from your Twilio balance, and automatically provision and route the number to your sub-account.

Option B: Use/Import an Existing Twilio Number

  1. Ensure the phone number exists in your Twilio Console under Phone Numbers > Manage > Active Numbers.
  2. In GoHighLevel, click + Add Phone Number and select the Import from Twilio tab.
  3. Select your existing number from the dropdown list.
  4. Click "Save" or "Assign Number" to map it to your location/campaign. You can now assign this number to specific users, pipelines, or automated workflows.

Step 7: Configure Webhook URLs

To ensure messages and calls flow in real-time between Twilio and GoHighLevel, GoHighLevel requires verified webhook URLs.

⚠️ Warning: GoHighLevel configures these webhook URLs automatically upon importing or assigning the number under normal circumstances. Do not manually edit webhooks in the Twilio Console unless you are experiencing issues, as manual edits can break the automated synchronization between GHL and Twilio.

If communications fail (e.g., outbound messages work but incoming SMS or calls do not appear in GoHighLevel), you can configure these webhooks manually in the Twilio Console:

  1. Go to Twilio Console > Phone Numbers > Manage > Active Numbers.
  2. Click on your purchased/assigned phone number.
  3. Scroll down to the Messaging section:
  • Set "A MESSAGE COMES IN" to Webhook.
  • Paste the GoHighLevel SMS webhook URL (use secure HTTPS protocol).
  • Set the HTTP method to POST.
  1. Scroll to the Voice & Fax section:
  • Set "A CALL COMES IN" to Webhook.
  • Paste the GoHighLevel Voice webhook URL.
  • Set the HTTP method to POST.
  1. Click "Save".
Webhook Configuration — Standard/V2 SMS Webhook: A MESSAGE COMES IN: https://services.gohighlevel.com/v2/twilio/webhook/.../messages (Method: POST). Standard/V2 Voice Webhook: A CALL COMES IN: https://services.gohighlevel.com/v2/twilio/webhook/.../voice (Method: POST).

Step 8: Verify and Test the Integration

Confirm that the Twilio GoHighLevel integration is active and working correctly by performing the following tests:

  • Outbound SMS: GoHighLevel provides a Conversations or Contacts (CRM) section where you can select or create a test contact using your personal mobile number. From the contact's conversation view, send an SMS message. Confirm you receive it on your phone.
  • Inbound SMS: Reply to the SMS from your personal phone and verify that the reply appears instantly in the GoHighLevel conversation view. Reply back from GHL to confirm full two-way functionality.
  • Outbound Voice Call: Initiate a call from GoHighLevel. Verify that the call connects, two-way audio functions, and that the call logs correctly in GHL.
  • Inbound Voice Call: Place a call to your Twilio number from your personal phone and confirm it routes to GoHighLevel as configured. Test any Interactive Voice Response (IVR) menus or call-forwarding routes you have configured.
  • Twilio Console Logs: Log into your Twilio Console and navigate to Troubleshooting > Logs > Messages (or twilio.com/console/sms/logs) to verify that transactions are logged under your account.

How to configure Twilio webhooks for GoHighLevel?

Understanding how webhooks work

When a communication event occurs on your Twilio number (like an incoming SMS or a phone call), Twilio sends an HTTP POST request to GoHighLevel's webhook servers. GoHighLevel then processes this payload to update your CRM conversation thread, contact records, or automation triggers.

Identifying webhook URL formats

GoHighLevel Standard/V2 URLs

  • SMS/MMS Webhook: https://services.gohighlevel.com/v2/twilio/{location_id}/messages
  • Voice Webhook: https://services.gohighlevel.com/v2/twilio/{location_id}/voice
  • Delivery Status Callback: https://services.gohighlevel.com/v2/twilio/{location_id}/status

Alternative LeadConnector & Legacy URLs

Depending on your configuration version, you may encounter these webhook endpoints:

  • LeadConnector SMS URL: https://services.leadconnectorapp.com/twilio/incoming_message
  • Legacy/Rest SMS URL: https://rest.gohighlevel.com/v1/twilio/message/inbound
  • LeadConnector Voice URL: https://api.gohighlevel.com/twilio/incoming_call
  • Legacy/Rest Voice URL: https://rest.gohighlevel.com/v1/twilio/voice/inbound

Analyzing Twilio API request payloads

When GoHighLevel triggers an outbound text message, GoHighLevel sends the following REST API call to Twilio:

POST https://api.twilio.com/2010-04-01/Accounts/{AccountSID}/Messages.json — Request Body: From: +12345678900 (Your Twilio number), To: +19876543210 (Recipient number), Body: "Hello, this is a message from GoHighLevel", StatusCallback: https://services.gohighlevel.com/v2/twilio/.../status

How to set up advanced Twilio features in GoHighLevel?

1. Setting up a Twilio Messaging Service (Recommended)

GoHighLevel supports Twilio Messaging Services to provide improved message deliverability, automated compliance handling, and scalable number management. GoHighLevel utilizes your Messaging Service SID (which starts with MGxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) instead of an individual number.

  1. In the Twilio Console, go to Messaging > Services.
  2. Click "Create Messaging Service" and name your service (e.g., "GoHighLevel SMS").
  3. Select your messaging use case (e.g., "Notify my users").
  4. Add your assigned Twilio phone numbers to the Sender Pool of this Messaging Service.
  5. This Messaging Service setup unlocks:
  • Intelligent Routing: Automatically chooses the optimal sender number.
  • Number Pooling: Distributes message loads across multiple numbers to scale throughput.
  • Sticky Sender: Keeps the sender number consistent for individual contacts.
  • Area Code Matching: Matches the sender's area code to the recipient's location.
  1. Copy the generated Messaging Service SID (starts with "MG...").
  2. Navigate to your GoHighLevel integration settings and add the Messaging Service SID to your GoHighLevel configuration.

2. Configuring call forwarding and IVR systems

GoHighLevel allows you to configure advanced call routing to handle voice interactions:

  1. In GoHighLevel, navigate to Settings > Phone System (or Phone Numbers settings).
  2. Configure your Interactive Voice Response (IVR) menu options in GoHighLevel to route callers.
  3. Set up call-forwarding rules to direct inbound calls to physical lines or support desks.
  4. Configure specific business hours, forwarders, custom voicemails, and automated after-hours routing.
  5. Test all call flows thoroughly to ensure correct routing.

3. Exploring alternative integration methods

If the native GoHighLevel Twilio integration does not meet your specific operational needs, you can explore alternative connection methods:

Option A: Utilizing Zapier or Make

For complex, multi-platform automations requiring custom logic outside of GoHighLevel, you can connect the systems via Zapier or Make:

  1. Create an account with Zapier or Make.
  2. Set up your trigger event (e.g., a specific tag added or pipeline change in GoHighLevel).
  3. Set up your corresponding action (e.g., instructing Twilio to send an SMS or place an automated call).
  4. Map your dynamic data fields (e.g., customer phone number, message body) between the platforms.
  5. Test and activate the integration workflow.

Option B: Building a custom API integration

For developers who require full control over their workflows, GoHighLevel and Twilio support programmatic message delivery via the Twilio API:

1// Example: Send SMS via Twilio API from custom app
2const twilio = require('twilio');
3const client = twilio(accountSid, authToken);
4
5client.messages.create({
6 body: 'Message from GoHighLevel integration',
7 from: '+1234567890',
8 to: '+0987654321'
9}).then(message => console.log(message.sid));

What features are unlocked by integrating Twilio with GoHighLevel?

Once you establish the Twilio GoHighLevel integration, GoHighLevel unlocks the following communication features directly inside its dashboard:

FeatureDescriptionUse Case
SMS Campaigns & MessagingBulk SMS messaging to targeted lists and automation sequencesPromotional announcements, newsletters, seasonal offers, and general reminders
Two-Way MessagingInteractive, real-time conversation-style text and multimedia messagingCustomer support, sales outreach, and lead nurturing via the Conversations tab
Voice Calls & Call TrackingPlace, receive, log, and record phone calls inside GHL; configure call routingSales call tracking, team training, quality assurance, and interactive IVR systems
MMS MessagingSend and receive images, videos, and dynamic media files via textVisual marketing, product showcases, sending digital brochures, and rich attachments
WhatsApp BusinessEnable WhatsApp capabilities on your Twilio number and message usersUnified global communications, rich media templates, and interactive support
Automated WorkflowsTrigger automated SMS, calls, and multi-channel sequences inside GHL workflow buildersAutomated appointment reminders, confirmation texts, and instant follow-ups
Voicemail DropsLeaving pre-recorded voicemail messages directly in a user's inboxScalable outreach campaigns and touchpoints without manual dialing
Unified Conversation ViewView SMS, MMS, calls, and WhatsApp histories in a single, streamlined threadSingle conversation feed per contact to easily track customer history

How to register for A2P 10DLC compliance on GoHighLevel?

A2P 10DLC (Application-to-Person 10-Digit Long Code) is a regulatory framework enforced by US telecom carriers. It requires any business sending automated or application-based messages to US local numbers to register their brand and use-case campaigns.

Why A2P 10DLC registration matters?

Without A2P 10DLC registration, GoHighLevel users will experience:

  • Severe message throttling (down to 1 message per minute).
  • Complete message blocking and high carrier filtering rates (Error Code 30007).
  • Delivery success rates dropping below 70%.
  • Twilio phone numbers flagged or blacklisted as spam.

How to Register for A2P 10DLC? (Step-by-Step Procedure)

  1. Navigate to the Registration Portal:
  • Inside Twilio: Go to Messaging > Regulatory Compliance or Messaging > A2P 10DLC.
  • Inside GoHighLevel: Go to Settings > Phone Numbers > A2P 10DLC (or Settings > Trust Center).
  1. Register Your Brand:
  • Create a Business Profile.
  • Enter your legal business details (legal business name, EIN/Tax ID, address, and website). This information must precisely match your official tax and Twilio billing records.
  1. Submit Your Campaign Registration:
  • Define your messaging use case (e.g., Mixed, Marketing, 2FA, Customer Care, "Notify my users").
  • Provide explicit messaging samples and detail your opt-in consent flow.
  1. Complete the Approval Process:
  • Submit your profile and wait for carrier approval (approval typically takes between 24–72 hours to 1–2 weeks).
  1. Link Approved Numbers:
  • Once your campaign is marked as "Verified" or approved, associate your Twilio phone numbers with the approved campaign.

Throughput and Deliverability by Registration Level

Registration LevelThroughput (msg/min)Delivery RateCost
Unregistered1 msg/min< 70%N/A
Low Volume (Standard)60 msg/min~95%$1.50/month
Standard Brand100+ msg/min~97%$4.50/month
Vetted Brand200+ msg/min~99%Varies

What are the best practices for Twilio GoHighLevel integration?

To maintain optimal deliverability, keep costs down, and ensure a seamless user experience, follow these operational guidelines for the Twilio GoHighLevel integration:

  • Use Messaging Services: Transitioning from single senders to a Twilio Messaging Service ensures higher deliverability and simpler multi-number management in GoHighLevel.
  • Enable Message Logging: GoHighLevel tracks and stores all outgoing and incoming communications to maintain compliance and resolve customer disputes.
  • Set Up Webhooks Correctly: Ensure webhooks are verified and active to support GoHighLevel's two-way messaging workflows. Do not make manual edits in Twilio unless debugging inbound issues.
  • Implement Opt-Out Keywords: GoHighLevel automatically handles default industry opt-out keywords like STOP, UNSUBSCRIBE, CANCEL, and QUIT to maintain compliance and avoid carrier filtering.
  • Monitor Usage and Costs: Establish Twilio billing alerts and monthly caps to prevent unexpected overhead costs.
  • Use Local Numbers: Whenever possible, provision local area codes to increase call answer rates and message open rates.
  • Test Thoroughly: Conduct internal testing on small batches of test numbers before launching automated sequences to your entire list.
  • Maintain Regulatory Compliance: Strictly adhere to TCPA, GDPR, FCC, and carrier-specific guidelines across all text and voice communications.
  • Backup Integration Settings: Document your credentials, assigned numbers, and webhook configurations in a secure internal system.

How to troubleshoot common Twilio GoHighLevel integration issues?

Messages Not Sending (Outbound)

  • Verify Credentials: Check that your Account SID and Auth Token were copied with no extra trailing spaces or line breaks.
  • Live vs. Test Credentials: Ensure you are using your LIVE credentials, not your TEST credentials from the Twilio console.
  • Check Number Capabilities: Confirm that the Twilio phone number actually supports SMS (check Phone Numbers > Active Numbers in Twilio).
  • Incomplete A2P 10DLC: Ensure your campaign is fully approved and your number is associated with it. Unregistered traffic is heavily filtered or blocked.
  • Twilio Account Balance: Check your Twilio billing dashboard; an unfunded, zero, negative, or suspended account cannot process messages.
  • Verify Webhooks: Ensure the messaging webhook in Twilio is properly set up and active.

Messages Not Received (Inbound)

  • Incorrect Webhook: Verify that the "A MESSAGE COMES IN" webhook points exactly to your GoHighLevel instance.
  • HTTP Method Mismatch: Ensure the HTTP method in the Twilio console is set to POST (not GET).
  • Check Twilio Logs: Review your Twilio Console's Error Logs to locate specific carrier blockages.
  • Number Conflict: Ensure your number is not bound to a conflicting Twilio Messaging Service with different rules.
  • HTTPS Protocol: Ensure your webhook URLs utilize the secure HTTPS protocol rather than HTTP.
  • Sub-Account Mapping: Confirm the phone number is correctly assigned to the appropriate sub-account/location inside GoHighLevel.

Voice Calls Not Connecting / Incoming Calls Not Ringing

  • Voice Capabilities: Verify your phone number supports Voice capabilities in the Twilio Console under Active Numbers.
  • Voice Webhook: Check that "A CALL COMES IN" points to the correct GoHighLevel Voice Webhook URL: https://api.gohighlevel.com/twilio/incoming_call (or your legacy/V2 voice webhook) and is set to POST.
  • TwiML Response Errors: Check Twilio logs to ensure the call returns valid TwiML.
  • GHL Call Settings: Check your GoHighLevel Call Settings under Settings > Phone Numbers (or Phone System) to ensure forwarders, IVR menus, call-forwarding routes, or business hours are correctly configured.

"Number Already in Use" Error

  • This means the phone number is active in another GoHighLevel sub-account. You must delete or unassign the number from the old sub-account or location before you can import/assign it to the new one.
  • SaaS Mode note: If you operate GoHighLevel SaaS Mode, check client sub-accounts to see where the number is currently mapped.

Authentication Failed / Invalid Credentials

  • Regenerate your Auth Token in the Twilio Console if you suspect it has expired or changed, and update it immediately inside GoHighLevel to prevent service interruptions.
  • Double-check that you did not accidentally copy a Sub-account SID or an API Key/Secret pair instead of your Master Account SID (AC...) and primary Auth Token.

"Number Not Found" During Import

  • If you cannot see your Twilio numbers in GHL, ensure they are not locked to a specific Twilio Messaging Service in the Twilio Console. Unassign them in Twilio first, then retry the import.

LC Phone System Conflict

  • If your GHL account is currently using the default LC Phone system, switching to your own Twilio account may require reaching out to GHL Support to un-map existing LC numbers before applying your custom Twilio credentials.

Sub-Account Creation Failed

  • Check your Twilio account balance. Ensure your master Twilio account has API permissions enabled that allow for sub-account creation.
Debug Tip: Navigate to Troubleshooting > Logs > Messages in the Twilio Console to identify exact error codes. Error codes will pinpoint why your message failed: 21211 Invalid phone number; 21610 User opted out via STOP; 30001 Queue overflow; 30003 / 30004 Message delivery failed (handshake/unreachable destination); 30007 Carrier filtering (Message Unregistered / A2P 10DLC compliance issue); 30008 Unknown destination error.

Frequently Asked Questions (FAQ)

How do I connect Twilio to GoHighLevel?

To establish the Twilio GoHighLevel integration, copy your Account SID and Auth Token from the Twilio Console dashboard. Next, log into GoHighLevel, navigate to Settings > Phone Services (or Phone Numbers > Integrations) at the Agency level, select Twilio as your provider, and enter these credentials. Save the connection to allow GoHighLevel to verify the webhook URLs, then test the setup by sending an SMS and making a call.

Does GoHighLevel use Twilio for messaging?

Yes, GoHighLevel uses Twilio as its underlying telephony and messaging infrastructure. By default, new accounts use the "LC Phone System" (a master Twilio instance managed by GoHighLevel). However, users can connect their own direct Twilio accounts to bypass the LC Phone markup and manage their own telephony billing, compliance, phone numbers, and advanced features.

Can I use my existing Twilio number with GoHighLevel?

Yes, you can import or assign any existing Twilio phone number into GoHighLevel. Connect your Twilio account using your Account SID and Auth Token, then select the existing number from your available numbers list in GoHighLevel settings. The number must be active in your Twilio account and not already assigned to another GoHighLevel sub-account.

Why is my Twilio number not working in GoHighLevel?

Common reasons include: incorrect Account SID or Auth Token, the number lacks SMS/voice capabilities, webhook URLs are not configured correctly in Twilio, the number is already assigned to another GoHighLevel sub-account, A2P 10DLC registration is incomplete, your Twilio account balance is zero or negative, or the number is locked to a conflicting Twilio Messaging Service. Check each of these areas systematically.

How much does Twilio cost with GoHighLevel?

Twilio pricing is pay-as-you-go with no monthly minimum. In the US, local phone numbers cost $1.15/month, toll-free numbers cost $2.00 to $2.15/month, SMS costs $0.0079 per outbound segment, MMS costs $0.013 per segment, and voice calls range from $0.0085 to $0.0220 per minute. For 5,000 SMS/month with one number and A2P registration, expect to pay approximately $45/month directly to Twilio. GoHighLevel will not charge you for telephony usage on custom-connected numbers.

Do I need A2P 10DLC registration for Twilio in GoHighLevel?

Yes. If you are sending SMS or MMS messages to US or Canadian phone numbers using a local 10-digit number, A2P 10DLC registration is required. Register through the Twilio Console (Messaging > A2P 10DLC) or GoHighLevel Trust Center. The process involves registering your brand (business profile with EIN/Tax ID) and creating a campaign (describing your messaging use case). Approval typically takes 24 hours to 2 weeks. Without registration, messages may be severely throttled or blocked.

Can I connect multiple Twilio numbers to GoHighLevel?

Yes, you can connect multiple Twilio phone numbers to a single GoHighLevel account. Each number can be assigned to different users, pipelines, or sub-accounts. You can also create a Twilio Messaging Service that pools multiple numbers together for intelligent routing, sticky sender matching, and higher throughput. Import each number individually through the GoHighLevel phone number settings.

What happens if I disconnect Twilio from GoHighLevel?

You will immediately lose the ability to send and receive calls and messages within GoHighLevel. However, your Twilio account, phone numbers, and active balances remain intact within Twilio. You can reconnect your account at any time without losing your numbers.

Why is my Twilio GoHighLevel integration not sending messages?

Common reasons include an expired or rotated Twilio Auth Token, insufficient funds in your Twilio account balance, or a lack of A2P 10DLC registration for US/CA-bound messaging. Verify your API credentials in GoHighLevel settings and check your Twilio error logs for specific error codes (e.g., Error 30007 or 30008).

How do I update my Twilio Auth Token in GoHighLevel?

If you reset or rotate your Twilio Auth Token for security reasons, navigate back to Settings > Phone Services (or Phone Numbers > Twilio) in GoHighLevel, edit your Twilio configuration, paste the new token, and save the changes to prevent service interruption.

Can I use a sub-account Twilio SID for GoHighLevel?

It is highly recommended to use your Master Account SID at the Agency level in GoHighLevel. GHL will automatically manage and create Twilio sub-accounts beneath your master credentials for your clients, keeping their settings separate.

Can I use multiple Twilio accounts with GoHighLevel?

Yes. At the Agency level, you can connect different, unique Twilio accounts to different sub-accounts and locations in GoHighLevel, allowing you to segment client billing and data completely.

Can I use a single Twilio account for multiple GoHighLevel sub-accounts?

Yes. At the Agency level, you can use a master Twilio account and assign different phone numbers to different locations/sub-accounts within GHL. GoHighLevel automatically handles the creation of Twilio sub-accounts beneath your master credentials to keep messaging data and client environments separate and clean while centralizing billing.

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