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Choosing and buying
How to choose a provider, when to build instead, and how to read a contract before you sign it.
- 1How to choose a CPaaS provider: a step-by-step guide for business buyersTen plain steps, from defining the job to planning your exit, with a checklist you can take into any sales conversation.
- Start from the job and the countries your customers are in, not from a vendor's feature list.
- Compare total cost: platform price plus channel fees such as operator and Meta charges, worked out on your real messages.
- Run a short pilot in your real markets, and agree how you would leave before you sign.
- 2When to build messaging infrastructure, and when not toA layer-by-layer decision framework based on what actually breaks in production and who is accountable for it, rather than on a feature comparison.
- Buy carrier connections, routes and sender registration; operator relationships and sending reputation cannot be built quickly.
- Own your consent records and message history, whether you build your sending logic or rent it from a platform.
- Write one thin send function between your code and any vendor on day one, before vendor formats leak everywhere.
- 3Evaluating a CPaaS contract: the clauses that decide what you actually boughtUnit price is one of the least consequential numbers in the agreement. Nine provisions that matter more, and what a good answer to each looks like.
- The per-message price matters less than exit terms, who owns your sender registrations, and how delivery is reported.
- Read an SLA as a refund policy: it usually covers the provider's API, not whether messages reach phones.
- Ask the provider to walk you through an overnight delivery drop and through leaving. The answers reveal the relationship.
- 4Federating systems without merging themWhen several products serve genuinely different audiences, consolidation can destroy what made each one good. Published contracts can do the same job with less loss, at a real operational cost.
- Before merging two overlapping systems, ask whether they serve the same person doing the same job. If not, connecting them is usually better.
- Connected systems need published interfaces, verifiable identity, shared conventions and one owner for each piece of data.
- Federation costs network calls, versioning discipline and duplicated data. It only pays off when the products genuinely serve different users.