Linq
Linq is a developer-focused messaging infrastructure platform that lets businesses and AI applications communicate with users through iMessage, RCS, SMS, and voice. Its APIs support features such as emoji reactions, voice notes, rich media, typing indicators, group chats, and other conversational interactions that feel more like native messaging than traditional business texting. Developers can integrate Linq into their applications to power AI assistants, customer workflows, reservations, alerts, support experiences, and other messaging-based services. The platform is designed for high-volume, low-latency delivery and offers enterprise features such as encrypted data handling and SOC 2 Type II compliance. Linq also provides tools for building conversational AI agents that operate directly inside messaging apps without requiring users to download a separate application.
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Blooio
Blooio is an iMessage API and business messaging platform that lets companies send and receive Apple iMessages using dedicated phone numbers. Connect through a REST API, HighLevel, n8n, Make, Zapier, or webhooks to automate iMessage conversations at scale.
Send messages, track delivery, manage contacts and groups, show typing indicators, and receive real-time webhook events. Automatic RCS and SMS fallback ensures every contact is reached regardless of device.
Built for sales teams, marketing agencies, support departments, and AI agent builders. Use Blooio to power lead follow-up sequences, appointment reminders, chatbots, and outbound outreach with the highest reply rates in messaging.
Enterprise features include number pools, auto-scaling, auto-unbanning, FaceTime calling, custom area codes, and white-label support. 99% delivery rate across 10M+ messages sent.
Free trial available. No credit card required. Full API docs and OpenAPI spec on the website.
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Sendara
Sendara is a platform for CRM-based business messaging that routes outbound conversations through Apple’s native iMessage infrastructure instead of relying only on SMS. It connects directly with GoHighLevel, HubSpot, Close, Salesforce, and Pipedrive while keeping existing workflows, triggers, automations, and sequences intact. Each account can use a dedicated phone number, giving leads a consistent contact while supporting iMessage for iPhone users, RCS for compatible Android devices, and automatic SMS fallback for everyone else. Teams can also send messages from the web app, mobile app, or Chrome extension. Real-time read receipts and typing indicators provide engagement visibility, while voice messages, high-resolution images, and videos support richer customer conversations. FaceTime calling can be initiated directly from the CRM, and agencies can manage multiple clients with dedicated lines and unified reporting from one account.
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Project Blue
Project Blue is an iMessage and SMS marketing platform that turns an existing CRM into a direct business messaging channel without requiring users to send from a personal phone. It provides dedicated messaging lines and connects with CRMs such as HighLevel, Close, and HubSpot, allowing sales teams to send iMessages directly from their normal workflows. If iMessage is unavailable, intelligent detection automatically falls back to SMS, while RCS support enables rich messaging with high-definition video, images, and voice notes across compatible devices. It also includes a business dialer built into the CRM for inbound and outbound calls, with automatic call logging, searchable transcripts, CRM sync, and AI-generated call outcomes. Messaging features include standard and AI-generated voice memos, voice cloning, HD media, Bitmoji cards, and support for marketing-specific numbers. Real-time analytics track response rates, message volume, delivery performance, and other KPIs.
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