GoHighLevel texting and A2P problems
Most failed texts in GoHighLevel come down to three causes: the number isn't linked to an approved A2P 10DLC campaign yet (error 30034), a carrier filtered the message as likely spam (30007), or the phone couldn't be reached (30003). The error code is on the failed message in Conversations, so start there. Public link shorteners, missing opt-out wording and a contact who replied STOP cover most of the rest.
The 9 fixes
GoHighLevel SMS error 30007: why carriers filter your texts
The carrier blocked the text as likely spam. Usually a public link shortener, missing opt-out wording or weak consent.
GoHighLevel error 30034: texts fail from an unregistered number
Your US number isn't linked to an approved A2P 10DLC campaign yet. Register in Trust Center, then wait up to 24 hours.
GoHighLevel SMS error 30003: the phone couldn't be reached
The carrier couldn't reach the phone: off, no signal, or not able to take texts. It also turns on SMS DND for that contact.
A2P 10DLC campaign rejected in GoHighLevel: what to fix
The usual reasons: opt-in wording, a privacy policy that doesn't cover mobile data, sample messages, or the website.
GoHighLevel: a contact isn't getting your texts
Usually DND is on for that contact, or they replied STOP. You can't override a STOP; they have to text START.
GoHighLevel texts sending from the wrong number
HighLevel picks the number in a set order: the one chosen for that message, the user's number, the conversation's number, then the default.
GoHighLevel texts with links getting blocked
Public link shorteners get texts filtered. Use the full link or a short link on your own domain, with no more than one redirect.
GoHighLevel MMS or images not sending
Usually the image is too big for the carrier, the file type isn't supported, or the recipient is outside the US and Canada.
GoHighLevel SMS opt-out keywords: STOP, START and HELP
STOP, STOPALL, CANCEL, UNSUBSCRIBE, END or QUIT opt a contact out. START, YES or UNSTOP opt them back in; toll-free only takes START or UNSTOP.
Free tools for this
They run in your browser, from Twilio's and HighLevel's documentation. No email needed.
- Error code lookupWhat a code like 30007 or 30034 means, the likely cause in GoHighLevel and what to do.
- Segment counterHow many segments a text uses, and which characters turn it into a costlier Unicode message.
- A2P campaign checkerPaste your campaign description and sample messages; it flags the common rejection causes.
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Other fix categories
Phone & calls
5 fixes
Missed calls, voicemail, forwarding, porting and app notifications.
See all 5Facebook, Instagram, WhatsApp & Google
3 fixes
Messages from other channels that don't reach your inbox.
See all 3Contacts & pipelines
4 fixes
Duplicates, imports, stages and who gets the lead.
See all 4Workflows
8 fixes
Contacts that don't enter, get stuck, or get the same message twice.
See all 8Conversation AI & Voice AI
2 fixes
HighLevel's AI that won't reply or answer.
See all 2Leads & lead forms
2 fixes
Facebook and Google lead forms that don't arrive.
See all 2Calendars & booking
7 fixes
Sync, double bookings and reminders at the wrong time.
See all 7Email
5 fixes
Mail that lands in spam, bounces or won't send.
See all 5Reviews
1 fix
Review requests that don't go out.
See the fixPayments & funnels
5 fixes
Invoices, payment links, order forms, coupons and upsells.
See all 5Website & forms
3 fixes
Forms, custom domains and the chat widget.
See all 3Users & logins
2 fixes
Staff who can't log in, or can't see what they need.
See all 2Reporting
2 fixes
Lead sources and call reports that don't add up.
See all 2
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