Enterprise integration services for verified RCS.
Adopting RCS is not a channel decision, it is an integration problem. We bring the expertise to wire verified, branded RCS into the infrastructure you already run, and to engineer the identity, consent, reliability, and carrier-verification work that makes it production-grade.
You already operate a CDP, a CRM, a contact center, a consent system, and an SMS/push stack. The question is not whether RCS is richer than SMS, it is, but how a new conversational surface plugs into your identity graph and systems of record without becoming another silo or a new compliance liability.
That is engineering, not enablement. SimplyRCS is built to be that partner, a professional-services offering grounded in Signalmash’s carrier-grade network: roughly a billion messages and calls a month, direct Tier-1 carrier connections, SOC 2 Type II, and in-house Google and carrier verification. We take on the hard parts; your team keeps shipping.
Events in, verified RCS out, results written back.
The same architecture underpins every engagement; only the systems and flows change. Identity, consent, and audit are first-class, not afterthoughts.
Webhooks & REST, normalized to a canonical event model. Idempotency keys, ordering, replay, dead-letter.
MSISDN ↔ customer record. Dedup, household disambiguation, resolution against your identity graph.
Opt-in/opt-out as a cross-channel invariant. STOP/HELP enforced at the edge, written back, fully audited.
RCS-first with deterministic SMS/MMS fallback. Conversation state reconciled to your system of record.
The hard problems a real integration has to solve.
The parts that separate a production integration from a webhook and a hope, and where our expertise lives.
Identity resolution
An inbound MSISDN is not a customer. We resolve it to the right record in your identity graph, dedup, household disambiguation, and reconciliation with your CDP/CRM keys, so every reply lands on the correct profile.
Consent as a cross-channel invariant
Opt-out cannot be a per-channel toggle. A STOP on RCS suppresses SMS and push, propagates to your consent system of record, and is enforced at the edge with a full TCPA-grade audit trail. This is the gating requirement in regulated verticals, we treat it as one.
Bidirectional reliability
Outbound is trivial; the reply/confirm/reschedule updating your system of record is not. We engineer idempotency, ordering, partial-failure handling, retries, and dead-lettering so write-backs are exactly-once in effect, no double-bookings, no lost confirmations.
Deterministic fallback + honest observability
RCS reach is carrier-, region-, and device-dependent. We guarantee RCS to SMS/MMS fallback with unified identity and tracking, and report delivery as it actually happened, "delivered as RCS vs. fell back, per carrier", not a vanity "sent."
Session economics and state
RCS bills per 24-hour conversation, which rewards multi-turn, agentic flows but demands conversation state that reconciles with your CRM. We manage that state and the cost model so multi-turn flows stay economical and consistent.
Verification and the carrier path
Brand and agent verification, per-carrier launch approval, GSMA/MaaP, and 10DLC for fallback are a multi-party, multi-week, opaque process. We run it for you on direct Tier-1 carrier connections, removing the approval risk and timeline your team does not want to own.
See a branded RCS experience built live.
Book a demo and the AI drafts a verified RCS experience for your brand, on a real phone, while you describe it.
Assess. Architect. Build & verify. Operate.
How we engage, with deliverables at every phase, scoped to your environment and reviewed with your platform and security teams.
Assess
A technical discovery of your stack: event sources, identity model, consent architecture, systems of record, throughput, and compliance constraints. Output: an integration map and a delivery plan.
Architect
A reference architecture for your environment, ingestion contracts, identity resolution strategy, consent enforcement, orchestration and fallback policy, and write-back design, reviewed with your platform and security teams.
Build & verify
We implement the connectors and run brand/agent verification, per-carrier launch, and 10DLC registration in parallel, then validate end-to-end against your environment before a single production message sends.
Operate
Production monitoring, delivery and consent observability, SLAs, and ongoing optimization. We own the connection and the carrier relationship; you own the customer.
Connect at the depth your team wants.
Direct via our API and webhooks, through your automation/iPaaS layer, or fully managed by SimplyRCS. Canonical, versioned event contracts, illustrative shapes below.
POST /your/webhook
{
"type": "message.reply",
"conversation_id": "cnv_8f2...",
"contact": { "msisdn": "+1...", "ref": "crm:00Q5f" },
"rcs": { "suggestion": "reschedule" },
"delivered_as": "rcs",
"idempotency_key": "evt_2a9c...",
"ts": "2026-06-20T18:22:04Z"
}POST /v1/messages
{
"to": { "ref": "crm:00Q5f" },
"agent": "your-verified-brand",
"content": { "rich_card": { "...": "..." } },
"fallback": { "channel": "sms", "body": "..." },
"writeback": { "system": "crm", "on": ["reply","action"] }
}- OAuth2 / signed webhooks · idempotency keys · at-least-once with dedup
- Per-message delivery receipts (RCS vs. fallback, per carrier)
- Event replay & dead-letter · ordered conversation streams
- Environment-scoped credentials · staged rollout · rate & throughput controls
Contracts shown are illustrative; the production schema is versioned and scoped to your environment during the Architect phase.
Built for the teams that have to sign off.
SOC 2 Type II
Audited controls; report available under NDA.
Consent & TCPA
Opt-in capture, cross-channel suppression, STOP/HELP, immutable audit log.
Carrier compliance
10DLC, brand & agent verification, per-carrier policy handled in-house.
Data handling
US processing, scoped retention, least-privilege access, PII minimization.
Carrier-grade infrastructure, not a wrapper.
Map your stack with our solutions engineers.
A working session on your event sources, identity model, consent architecture, and the flows you want live, and a delivery plan with the verification timeline laid out.