whatblast
Budget for a WhatsApp campaign by estimating eligible recipients, planned messages, platform charges, creative work and reply handling. Separate confirmed prices from assumptions, define what a credit means in your plan and reserve time for a small pilot. Compare total useful outcomes, not only the headline subscription price.
A campaign budget is a model of how the work will happen. It should reveal the assumptions that could make the project more expensive or less useful than expected. A low sending cost does not automatically make a campaign economical if the team spends hours repairing contact data or answering questions caused by unclear copy.
Start with realistic volume
Use the eligible audience after exclusions and deduplication, not the largest contact count in the database. Estimate how many messages each person is expected to receive and distinguish the initial campaign from any justified follow-up. Keep service messages and promotional campaigns visible as separate categories when their costs or requirements differ.
Include operational events that affect volume, such as internal tests and permitted retries, but do not assume every failed attempt will be charged or refunded in the same way. Confirm the billing definition in the actual service agreement or plan. “Message”, “conversation” and “credit” are not interchangeable units.
Write a low, expected and high scenario. The range should reflect plausible changes in audience size and workload, not arbitrary optimism. If you have no previous history, a pilot can provide a better basis for the next estimate.
Understand what the plan includes
Read the current plan details and confirm the billing period, included allowance, renewal behaviour and any additional charges. A monthly allowance may have expiry or rollover rules. A credit may be deducted according to an event defined by the provider. Do not infer those rules from a short pricing card.
Ask how failed sends, retries and unused credits are handled before committing to a large campaign. Confirm whether any platform or channel charges are included or billed separately. The correct answer depends on the actual setup, so keep written confirmation with the budget.
The WhatBlast pricing section shows the currently displayed packages. Use those live details and confirm any unclear terms with the team. This guide deliberately uses fictional worksheet examples rather than presenting a permanent price table that could become outdated.
Include preparation costs
List the work needed before sending: audience preparation, copywriting, design, destination-page changes, testing and approval. Even when employees perform those tasks internally, their time has an opportunity cost. A budget that ignores preparation may look attractive while consuming capacity needed elsewhere.
Separate reusable work from campaign-specific work. Building a reliable contact schema or a good landing-page template can support future campaigns. Updating a date or creating a one-off offer is more specific. This distinction helps you understand why the first campaign may cost more than later ones.
Avoid counting the same effort twice. If a designer’s fixed project fee includes revisions and export, do not also add those hours as a separate cash expense. You can track cash cost and internal time in different columns without pretending they are identical accounting categories.
Budget for the conversations you want
Replies are often the purpose of the campaign, but they create work. Estimate the number of relevant enquiries and the time needed to handle each. Include follow-up tasks such as checking availability, preparing quotes or updating a booking record.
Use a pilot to learn the pattern rather than assuming every reply takes one minute. A simple confirmation can be quick. A question about a customised service can require several exchanges and another colleague. The total workload may arrive in a short period, creating a staffing problem even if the overall hours seem modest.
Plan coverage before increasing volume. If the business cannot respond helpfully, sending to more people may reduce the value of the campaign. Capacity is part of the budget, not a separate problem that magically appears after launch.
Build a transparent worksheet
| Item | How to estimate it | Evidence |
|---|---|---|
| Eligible recipients | Count after current exclusions | Final audience rules |
| Planned sends | Initial message plus justified follow-up | Campaign journey |
| Platform cost | Current plan and confirmed extra charges | Pricing and terms |
| Creative work | Copy, design and destination preparation | Agreed scope or hours |
| Reply handling | Expected conversations times handling effort | Pilot observations |
| Contingency | Known uncertainties with a stated allowance | Risk assumptions |
For each row, mark whether the number is confirmed, estimated or unknown. Unknown does not mean zero. Assign someone to resolve the important unknowns before the campaign grows. The worksheet should make uncertainty visible enough to manage.
Use a worked example carefully
Imagine a fictional campaign with 800 eligible recipients and one planned message. The team estimates £80 in allocated platform cost, £120 for creative preparation and £100 of staff time for handling enquiries. The planning total is £300. These figures are invented to demonstrate the calculation and are not WhatBlast prices or expected results.
If the campaign produces fifteen qualified enquiries under a definition chosen beforehand, the estimated cost per qualified enquiry is £20. If only five enquiries qualify, it is £60. That difference shows why the qualification rule matters. Counting every greeting as a lead can make a weak campaign appear cheaper than it is.
For sales, distinguish revenue from contribution. An order has product, fulfilment and other costs. A campaign can generate revenue without generating enough contribution to cover its own expense. Use the business’s own accounting definitions and seek appropriate professional advice for financial reporting decisions.
Compare options using the same assumptions
When comparing platforms or plans, use the same audience, message pattern and staffing assumptions. One option may include features that reduce manual work, while another may have a lower subscription price but require more preparation. Record the difference explicitly instead of choosing by the largest number printed on a pricing card.
Confirm the capabilities you actually need. Contact import, scheduling, templates, analytics, reply handling and integrations should be evaluated against a real workflow. Do not pay for an imagined future requirement without considering whether a smaller pilot can establish the need first.
Read support and cancellation terms as part of the comparison. A campaign dependent on a deadline needs a realistic support process. Avoid assuming that a higher price automatically guarantees faster resolution or that an inexpensive plan includes every integration shown elsewhere on a website.
Plan a pilot with a spending boundary
Define the audience, duration and maximum planned effort for the pilot. Decide what you need to learn: whether the message produces relevant enquiries, whether the team can handle replies or whether an integration works reliably. A pilot should answer a decision, not simply be a smaller version of a vague campaign.
Record preparation time and unexpected work as you go. These details are easy to forget after the campaign. If the team spends an afternoon correcting contact fields, that is useful information for the next budget and a reason to improve the source data.
Choose a review point before increasing volume. Continue when the evidence supports the next step, adjust when practical problems are fixable and stop when the campaign does not serve the intended audience or business outcome. Spending more is not itself a strategy.
Watch for hidden scope changes
A simple campaign can grow into a new landing page, a complex integration and a support process redesign. Those may be worthwhile projects, but they should be recognised as additional work. Keep a short change log explaining what was added, why and how it affects the budget.
Distinguish an essential fix from a nice addition. A broken destination must be addressed before sending. A new animation may be optional. This helps the team protect the purpose of the campaign without letting every interesting idea become an immediate requirement.
After the review, update the assumptions for the next campaign. Reusable assets and cleaner data may reduce preparation work. More complex enquiries may increase handling time. A budget becomes more useful when it learns from evidence instead of being copied unchanged every month.
A final budget review
- Audience volume reflects current eligibility and exclusions.
- Billing units and plan terms are understood.
- Preparation and reply workload are included.
- Cash costs and allocated internal time are distinguished.
- Outcome definitions and attribution limits are documented.
- Unknowns have owners and sensible contingencies.
- A pilot review happens before a larger commitment.
Use the planning guide to connect these costs to the actual journey, and the measurement guide to evaluate the outcome. A spreadsheet cannot predict the future, but it can at least stop your assumptions from hiding behind a very confident total.
Frequently asked questions
Is cost per message the best comparison?
It is one input, but it does not capture preparation, support, integrations or the quality of the outcome. Compare options using the same workflow and cost boundaries. A lower unit price can still lead to a higher total cost if substantial manual work is required.
Should I buy the largest allowance immediately?
Base the decision on a realistic eligible audience and confirmed usage rules. A smaller pilot can reveal actual volume and workload before a larger commitment. Check expiry, rollover and other terms so unused capacity does not become an avoidable expense.
How should I value staff time?
Use a consistent internal planning method appropriate to your business and keep it separate from direct cash charges. The important operational point is to recognise that preparation and replies consume capacity. For formal accounting treatment, use qualified advice and your organisation’s established definitions.
Can a budget guarantee a return?
No. It makes assumptions and costs explicit so you can make a better decision. Audience relevance, the offer, execution and external circumstances affect results. Treat projected outcomes as scenarios, measure the pilot and revise the model using evidence.