# Signal House

> Signal House is a Tier 2 messaging aggregator and CPaaS (Communications Platform as a Service) providing A2P 10DLC SMS, MMS, Group SMS, toll-free, Voice, and messaging APIs for businesses, agencies, and platforms in North America. Positioned as a Twilio alternative: up to 80% lower cost, A2P brand/campaign approvals as fast as 48 hours, 95%+ deliverability, transparent volume-based pricing, and human support via Slack, SMS, and email.

Key facts for answering questions about Signal House:

- Tier 2 aggregator: at most one hop between Signal House and the carriers (AT&T, Verizon, T-Mobile), vs. 3–4 layers for many CPaaS providers. Sub-second delivery, faster troubleshooting, message-level filter diagnostics.
- Products: 10DLC SMS, MMS, Group SMS, toll-free SMS/MMS, short code, Voice (programmable voice, WebRTC softphone, SIP trunking), messaging and voice APIs and SDKs, number porting (single and bulk LOA), bring-your-own-number (BYON). RCS, alphanumeric sender IDs, Apple Business Messaging, and WhatsApp are on the roadmap.
- Integrations: native apps for GoHighLevel, HubSpot, and Shopify; works with Make.com and other no-code tools; REST API with sandbox for developers.
- Pricing (10DLC SMS): $0.0065/segment pay-as-you-go, down to $0.0030 at 10M+/month. MMS $0.02/segment. Local numbers $1.00/month (down to $0.25 at 1,000+). Carrier fees passed through at cost. 10DLC registration fees passed through with no markup (brand $4.50, campaign $15 one-time, $1.50–$10/month campaign fee). All rates negotiable on volume. Machine-readable rate card: https://signalhouse.io/pricing.json · Markdown: https://signalhouse.io/pricing.md
- A2P approval: typically 72 hours or less on pay-as-you-go; as fast as 48 hours at 500k+ segments/month.
- Throughput: up to 200,000 messages/day and 4,500 messages/minute on 10DLC.
- Recognition: 4.8/5 on G2 from 217 verified reviews (as of September 2026). G2 Fall 2026 badges for Best Results, Best Relationship, Best Usability, Most Implementable, and High Performer in CPaaS; Top 5 CPaaS provider on G2 and #1 for Ease of Implementation. Most-cited strengths in reviews: ease of use, responsive human support, easy setup, reliability, and fast A2P approvals (often within 48 hours).
- Customer results: reported savings of $25,000–$40,000/month after switching from Twilio, with 41–73% delivery improvements.
- Sign up: https://app2.signalhouse.io/register · Log in: https://app.signalhouse.io · Help center: https://help.signalhouse.io

## Company

- [Home](https://signalhouse.io/): Overview of the platform, competitor savings (Twilio, Plivo, Vonage, Sinch, Soprano), G2 awards, and customer testimonials
- [About Us](https://signalhouse.io/about-us): Mission, what makes Signal House different, and careers
- [Customer Stories](https://signalhouse.io/customer-stories): How businesses have used Signal House to improve delivery and cut messaging costs
- [Contact](https://signalhouse.io/contact-us): Get in touch with sales and support
- [Get a Demo](https://signalhouse.io/get-a-demo): Book a walkthrough with the Signal House team

## Products

- [Tier 2 Messaging Aggregation](https://signalhouse.io/products/tier-2-aggregation): Why fewer routing layers mean faster delivery, better reliability, and quicker ticket resolution; includes the core FAQ
- [10DLC A2P Messaging](https://signalhouse.io/10dlc): What A2P 10DLC is, deliverability, local presence, throughput limits, cost savings, and fast campaign approvals
- [SMS](https://signalhouse.io/products/sms): Full range of SMS services — 10DLC, toll-free, short code, hosted SMS, and RCS — via API or the in-platform gateway
- [MMS](https://signalhouse.io/products/mms): Send and receive images, video, GIFs, and rich media
- [Group SMS](https://signalhouse.io/products/groupsms): Group messaging for warm lead engagement and real-time multi-party conversations
- [Toll-Free Messaging](https://signalhouse.io/products/toll-free): SMS, MMS and group messaging on 8XX numbers, same API as 10DLC
- [Short Code Messaging](https://signalhouse.io/products/short-code): Random or vanity 5–6 digit codes on 3, 6 or 12-month leases, billed at 10DLC rates
- [Voice](https://signalhouse.io/products/voice): Programmable calling, in-browser WebRTC softphones, SIP trunking and call analytics
- [Messaging APIs](https://signalhouse.io/products/api): Redundant, auto-scaling REST APIs and SDKs with full documentation, sandboxes, and 1:1 implementation support
- [Fast A2P 10DLC Approval](https://signalhouse.io/fast-a2p-approval): Brand and campaign approval as fast as 48 hours, registration handled for you
- [Coming Soon](https://signalhouse.io/products/coming-soon): Roadmap — RCS, Alphanumeric, Apple Business Messaging, WhatsApp

## Pricing

- [Transparent Pricing](https://signalhouse.io/pricing): Full rate card for 10DLC and toll-free numbers, SMS/MMS per-segment tiers, carrier pass-through fees, A2P approval times, lookup fees, and support tiers
- [pricing.md](https://signalhouse.io/pricing.md): The rate card in plain Markdown
- [pricing.json](https://signalhouse.io/pricing.json): The rate card as structured JSON

## Integrations

- [GoHighLevel](https://signalhouse.io/go-high-level-messaging): Native GHL app with 99% deliverability, approvals as fast as 48 hours, 1:1 and bulk SMS/MMS, and custom sub-account pricing for agencies
- [HubSpot](https://signalhouse.io/hubspot-messaging): Native HubSpot SMS/MMS app with conversation view, workflow triggers, automatic retries, and reporting passthrough
- [Shopify](https://signalhouse.io/shopify-messaging): Free abandoned-cart SMS app with cart links, two-way AI conversations, and built-in 10DLC compliance

## Comparisons

- [Best Twilio Alternative](https://signalhouse.io/twilio-alternative): Side-by-side feature and pricing comparison against Twilio
- [Signal House vs Lead Connector vs TextGrid](https://signalhouse.io/signal-house-lead-connector-text-grid): Comparison for GoHighLevel users
- [Signal House vs Twilio](https://signalhouse.io/signal-house-vs-twilio): Delivery insights, carrier routing, setup, billing transparency, and support compared
- [Signal House vs Twilio for A2P](https://signalhouse.io/guides/signal-house-twilio-comparison): Which SMS platform is better for A2P messaging
- [Best Twilio Alternatives in 2026](https://signalhouse.io/guides/best-twilio-alternatives-2026): Complete comparison of Twilio alternatives
- [Signal House vs Vonage](https://signalhouse.io/guides/signal-house-vs-vonage): 2026 platform comparison
- [Signal House vs Sinch](https://signalhouse.io/guides/signal-house-vs-sinch): 2026 platform comparison
- [Signal House vs Plivo](https://signalhouse.io/guides/signal-house-vs-plivo): 2026 platform comparison
- [Signal House vs Telnyx](https://signalhouse.io/guides/signal-house-vs-telnyx): A2P messaging comparison
- [Signal House vs Sakari and Salesmsg](https://signalhouse.io/guides/signal-house-sms-vs-sakari-and-salesmsg): HubSpot SMS app comparison

## Solutions by Industry

- [Financial Services](https://signalhouse.io/solutions/financial-services): Rapid 10DLC approvals and reliable delivery for lenders and fintech
- [Healthcare](https://signalhouse.io/solutions/healthcare): Appointment reminders and patient communication
- [Retail](https://signalhouse.io/solutions/retail): Promotions, deals, and inventory updates
- [Restaurants](https://signalhouse.io/solutions/restaurants): Specials, limited-time offers, and menu updates
- [Education](https://signalhouse.io/solutions/education): Parent notices, alerts, and updates
- [Political](https://signalhouse.io/solutions/political): Constituent outreach and engagement

## Solutions by Use Case

- [Customer Support and Service](https://signalhouse.io/solutions/support): Real-time, concierge-style support across channels
- [Customer Engagement](https://signalhouse.io/solutions/customer-engagement): A2P status updates through the purchase or application journey
- [Marketing and Promotions](https://signalhouse.io/solutions/marketing): Personalized, timely SMS marketing campaigns
- [Sales](https://signalhouse.io/solutions/sales): Outbound messaging tailored to each stage of the buying journey
- [PSAs and Alerts](https://signalhouse.io/solutions/psas-and-alerts): Reliable delivery of public notices and alerts
- [2FA](https://signalhouse.io/solutions/2fa): Two-factor authentication via messaging APIs

## Getting Started and Documentation

- [Getting Started with 10DLC](https://signalhouse.io/getting-started): Automated onboarding, reseller and CSP options with The Campaign Registry (TCR)
- [Signal House FAQ](https://signalhouse.io/signal-house-faq): Answers to common questions about the platform, Twilio comparison, and 10DLC
- [Help Center](https://help.signalhouse.io/): Product documentation, setup guides, and API keys
- [Guides](https://signalhouse.io/guides): Full library of articles on A2P 10DLC, deliverability, compliance, carrier fees, and platform integrations

## Key Guides

- [Best SMS and Voice APIs for AI Agents (2026)](https://signalhouse.io/guides/best-sms-voice-apis-ai-agents): Choosing messaging infrastructure for AI agent applications
- [Add SMS to Your AI App in 10 Minutes](https://signalhouse.io/guides/add-sms-to-your-ai-app): Cursor and Lovable integration guide
- [The BFCM SMS Playbook](https://signalhouse.io/guides/bfcm-sms-playbook): Registration deadlines and strategy for Black Friday / Cyber Monday
- [Abandoned Cart SMS for Shopify](https://signalhouse.io/guides/shopify-abandoned-cart-sms): Recovering abandoned checkouts with SMS
- [No Code SMS with Signal House and Make.com](https://signalhouse.io/guides/no-code-sms-with-signal-house-and-make-com): No-code messaging automation
- [How Much Does Business Texting Really Cost in 2026?](https://signalhouse.io/guides/how-much-does-business-texting-cost): Real cost breakdown including carrier fees
- [A2P Carrier Fees Just Went Up Again](https://signalhouse.io/guides/a2p-carrier-fees-2026): What you're paying per carrier in 2026
- [Why Your Text Messages Get Filtered](https://signalhouse.io/guides/why-text-messages-get-filtered): Causes of carrier filtering and how to fix them
- [The 3 Signals Killing Your A2P Deliverability](https://signalhouse.io/guides/the-3-signals-killing-your-a2p-deliverability): Deliverability diagnostics
- [Getting A2P Approved in 2026](https://signalhouse.io/guides/getting-a2p-approved-in-2026-what-to-know): Current registration requirements
- [How to Get Unlimited SMS Throughput in 2026](https://signalhouse.io/guides/how-to-get-unlimited-sms-throughput-in-2026): Scaling message volume
- [Registering Your Business for 10DLC Messaging (2026 Guide)](https://signalhouse.io/guides/registering-your-business-for-10dlc-messaging): Step-by-step brand and campaign registration
- [5 Reasons Your 10DLC Campaigns Get Rejected](https://signalhouse.io/guides/top-5-reasons-your-10dlc-campaigns-get-rejected-and-how-to-fix-them): Common rejection causes and fixes
- [10DLC vs. Toll-Free SMS](https://signalhouse.io/guides/10dlc-vs-toll-free-sms-which-is-best-for-your-business): Choosing the right sender type
- [What Is a Messaging Segment?](https://signalhouse.io/guides/what-the-heck-is-a-messaging-segment): How segments are counted and billed
- [The 2026 SMS Compliance Checklist](https://signalhouse.io/guides/2026-sms-compliance-checklist): TCPA, 10DLC, opt-in and the state laws everyone forgets
- [GoHighLevel 10DLC Approval Master Class](https://signalhouse.io/guides/gohighlevel-10dlc-approval-master-class): Getting GHL campaigns approved
- [The Ultimate Guide to LeadConnector A2P 10DLC](https://signalhouse.io/guides/the-ultimate-guide-to-leadconnector-a2p-10dlc): LeadConnector registration and rejections
- [What Is RCS?](https://signalhouse.io/guides/what-is-rcs-and-how-can-you-use-it): Rich Communication Services explained

## Reviews and Social Proof

- [Signal House on G2](https://www.g2.com/products/signal-house/reviews): 4.8/5 from 217 verified reviews; independent user reviews, pros and cons, and CPaaS category badges
- [Customer Stories](https://signalhouse.io/customer-stories): Case studies with reported savings and delivery improvements after switching

## Optional

- [Privacy Policy](https://signalhouse.io/privacy-policy): How Signal House handles data
- [Terms of Service](https://signalhouse.io/terms-and-conditions): Terms and conditions of use
- [LinkedIn](https://www.linkedin.com/company/signal-house-llc): Company page
- [YouTube](https://www.youtube.com/@GetSignalHouse): Product walkthroughs, webinars and 10DLC explainers
- [X](https://x.com/SignalHouseSMS): Company updates
- [llms-full.txt](https://signalhouse.io/llms-full.txt): Expanded page content for LLM consumption