- Key takeaways
- Why use a Business Solution Provider (BSP)?
- Ease of integration
- Scalability
- Flexibility
- Best WhatsApp API providers for Australian businesses
- Esendex
- Twilio
- Wati
- Seekflow
- Sinch
- Key differences between the providers
- How to choose a WhatsApp Business Solutions provider
- Implementation
- Channels
- Security
- Industry
- Which WhatsApp Business API provider is best?
- WhatsApp Business API FAQs
- What is the difference between WhatsApp Business and WhatsApp Business API?
- Is there an alternative to WhatsApp API?
- Is WhatsApp API worth it?
- How do I integrate WhatsApp Business API?
For growing businesses, the standard WhatsApp Business app eventually becomes a bottleneck. When you reach a point where the app can no longer handle your customer communication volume, you need the WhatsApp Business API to automate triggers.
While it is possible to integrate the software directly in-house, most businesses choose to work with an approved Business Solution Provider (BSP) like Esendex. A BSP manages the coding infrastructure and Meta approvals on your behalf, allowing you to integrate the WhatsApp Business Platform API without the burden of complex technical maintenance.
In this blog, we’ll run through why choosing a BSP is the best way to integrate the WhatsApp Business Platform API. We’ll then compare the best WhatsApp Business API providers available to Australian businesses, based on their features, ease of use, and support levels.
Key takeaways
- By enlisting a Business Solution Provider (BSP) to integrate WhatsApp’s business API, you bypass the complex developer work required to connect to Meta’s servers, allowing you to start sending messages quickly, flexibly, and at scale.
- Esendex is a highly-rated WhatsApp Business API provider, with a dedicated Melbourne-based team helping Australian businesses across multiple sectors scale and automate customer communications.
- While global providers like Twilio and Sinch offer powerful tools for developers, they often require a dedicated technical team to manage, while specialists like Wati and Sleekflow focus heavily on AI automation.
Why use a Business Solution Provider (BSP)?
A BSP is a company that has been authorised by Meta to help other businesses set up and manage their WhatsApp Business API. Because Meta does not offer a ready-to-use dashboard for the API itself, most companies work with a BSP to avoid the cost of building their own messaging software from scratch.
Choosing a BSP offers several advantages compared with tackling the process yourself:
Ease of integration
Setting up a direct connection with Meta requires a developer to write original code and manage a manual verification process. A BSP provides a pre-built system that connects your business to Meta’s servers immediately, allowing you to send your first message much sooner.
Scalability
The standard WhatsApp app is limited to five devices and lacks tools for coordinating a large team. A BSP provides the technical infrastructure needed to send thousands of messages at the same time, including a shared dashboard where staff can reply to customers from one central business number.
Flexibility
If you connect to Meta directly, your developers must update your code every time WhatsApp changes its system. A BSP handles these updates for you ensuring you can use new features without needing to update your code manually.
“Businesses with in-house developers who can directly call our APIs may be interested in signing up directly. If you are not a developer or would like to connect WhatsApp to the rest of your technology stack, such as an omnichannel inbox, customer support software, or a bot platform, you may prefer to work with one of our partners.”
Source: WhatsApp
Best WhatsApp API providers for Australian businesses
Esendex
Esendex’s WhatsApp Business API is designed for both developers and teams without coding experience. By already hosting the API, the majority of the technical work is eliminated. Esendex goes a step further by offering hands-on support to integrate WhatsApp seamlessly with your internal systems, such as your CRM or sales tools.
Unlike other platforms that gatekeep features or charge extra for team growth, Esendex offers endless users across its packages, allowing your communication strategy to scale seamlessly.
Customers also get:
API documentation
Enables teams to quickly integrate WhatsApp with existing systems.
Code samples
Pre-written code for tasks like sending a message using the API, which saves developers significant time.
Free, local support for Australian customers
A dedicated team, including staff based in Esendex’s Melbourne office, provides free setup, onboarding, and post-implementation support – meaning no hidden maintenance fees.
Esendex is an approved BSP and Meta Business Partner, meaning it can raise support requests directly on your behalf. It is also ISO 27001 accredited and a certified telco for the ACMA’s Sender ID Register. With a 4.6-star rating from Australian customers on Trustpilot, customers frequently highlight the company’s helpful, accessible customer service.
Core features of Esendex’s WhatsApp Business API include:
Marketing campaigns
Carry out targeted campaigns, managing delivery and reporting from a single system.
Rich media
Improve engagement and conversions with interactive features like product carousels, quick response buttons, and multimedia.
Customer service
Enable seamless, two-way conversations to answer questions or handle complex queries.
One-time passwords (OTPs)
Manage security and enable multi-factor authentication with secure OTPs.
Branded profiles
Build trust by setting up an official business profile with your company name, logo, and website.
The Esendex platform also helps you implement automated WhatsApp chatbots designed around your customer support or marketing needs. The professional services team works closely with you to map out the chatbot journey, including identifying entry points for human agents.
Our chatbots cover everything from out-of-the-box autoresponses to help businesses give answers to customer questions instantly, to fully bespoke chatbot experiences that can be tailored to your business needs. While we don’t have the AI functionality, it’s scalable and we can cater for a range of business requirements.
Meta charges per Marketing and Authentication template sent, on top of Esendex’s price, and rates vary depending on message type and customer location – our team can help you navigate Meta’s pricing and select a package based on your budget and messaging requirements.
Twilio
Twilio is a US-based cloud communications platform that supports customers globally, including in Australia, with WhatsApp messaging through its programmable APIs.
While it is a powerful tool, Twilio is explicitly built as a “developer-first” platform. Its website and product suite are incredibly complex to navigate, meaning you realistically need a dedicated developer just to grasp their offerings and manage the setup.
Furthermore, Twilio’s pricing strategy is highly layered, and they do not offer free support. If you run into technical issues or need help during onboarding, support costs extra. This heavy developer dependency and lack of accessible customer service has impacted their user reputation, resulting in a “Bad” 1.1/5 rating on Trustpilot. If you do not have an in-house technical team to manage the infrastructure, Twilio can quickly become an expensive bottleneck.
Wati
Wati is a business messaging platform built specifically for WhatsApp, targeting small to medium-sized businesses with a heavy focus on no-code AI chatbots and automation tools.
However, Wati operates on a rigid, subscription-based pricing model that keeps a tight cap on users – its entry-level plan includes just three users, and even its top “Business” tier includes only five, with extra seats costing around $89 per user per month. Their pricing is also often criticised for a lack of transparency, and customers frequently report poor reliability, a glitchy mobile app, and subpar customer support when things go wrong.
Unlike Wati, which is largely limited to WhatsApp and basic social channels, Esendex offers a true multichannel experience. We enable businesses to deploy a suite of rich communication channels – including WhatsApp, SMS, and RCS – all managed from a single platform with single sign-on. Because Esendex holds direct partnerships with Meta and major mobile networks, we provide industry-leading routing reliability and expertise that standalone software platforms like Wati simply cannot match.
Seekflow
Sleekflow is an AI conversation platform headquartered in Singapore that markets its services to small and medium-sized businesses. It hosts channels such as WhatsApp, SMS, and various social media platforms.
Sleekflow’s plans currently start at US$149 a month (Pro AI) and rise to US$349 a month (Premium AI) – roughly A$205–A$490 at current exchange rates – with Enterprise pricing available on request. WhatsApp messages are billed separately per template, based on Sleekflow’s own rate card, so your actual bill will depend heavily on send volume and message type. Unlike some competitors on this list, Sleekflow currently holds an “Excellent” 4.4/5 rating on Trustpilot, so poor reviews aren’t really the concern here. The bigger question for Australian businesses is whether they need Sleekflow’s AI-led feature set, or whether a more support-led provider and intuitive interface is a better fit.
Esendex differentiates through expert-led guidance rather than a large self-serve AI suite. Our curated feature set, with flat pricing and no separate per-user fees, is designed to ensure every client – regardless of technical background or use case – can reach their messaging objectives without paying for features they don’t need.
Sinch
Sinch is a global cloud communications provider headquartered in Sweden, offering enterprise-level channels such as WhatsApp, SMS, and RCS. In Australia, Sinch’s best-known local brand is MessageMedia (currently being rebranded to Sinch Engage), which many local businesses will already recognise from SMS marketing.
While Sinch boasts vast infrastructure and deep feature functionality that can be difficult to navigate, the platform has major blind spots for mid-market businesses and SMEs. Sinch is structurally positioned for massive global conglomerates, leaving smaller teams with limited options and minimal personalised attention. This lack of user-centric focus shows up in customer feedback: Sinch’s global Trustpilot page is rated “Bad” (1.5/5), and its Australian MessageMedia brand carries a “Poor” rating, with recurring complaints about platform reliability and unresponsive service.
Sinch’s pricing structure also presents hurdles for growing brands. Like Sleekflow, it packages WhatsApp as an add-on and enforces caps on the number of conversations you can have each month. Esendex applies no such conversation restrictions to your messaging, offering an agile framework built to scale comfortably alongside your business.
Key differences between the providers
While all of these WhatsApp API providers have strong track records, Esendex is the only one on this list with a dedicated Melbourne-based team focused on WhatsApp as a key channel for Australian customers.
| WhatsApp business solutions provider | Key point of difference | Headquarters | Channels | Industries | Number of customers |
| Esendex | Designed for both developers and no-code teams. Supports a multichannel strategy from a single platform, with a local Melbourne-based support team | UK, with an Australian office in Melbourne | SMS, WhatsApp Business Platform, RCS, email and voice | Financial services, retail, healthcare, utilities, local government, property, recruitment and software | 46,000+ |
| Twilio | Developer-first platform with flexible APIs | US | SMS, WhatsApp, RCS, voice and email | Financial services, healthcare, retail, nonprofit, hospitality, ecommerce, public sector and education | 320,000+ |
| Wati | WhatsApp-first platform with a focus on automation and AI | Hong Kong | WhatsApp, Instagram and Facebook Messenger | E-learning, e-commerce, marketing and healthcare | 14,000+ |
| Sleekflow | Focuses on AI-driven interactions, with AI agents | Singapore | WhatsApp Business, TikTok Business Messaging, Facebook Messenger, Instagram DM, SMS, WeChat, Telegram, Viber and Line Business | Education, e-commerce, beauty and wellness, automotive, travel, real estate and luxury & lifestyle retail | 2,000+ |
| Sinch | Geared more towards developers, helping them to build features. Operates in Australia mainly under the MessageMedia/Sinch Engage brand | Sweden | SMS, MMS, WhatsApp, RCS, Facebook Messenger, Instagram, Apple Messages, Viber, Telegram, Kakao Talk, LINE and WeChat | Financial services, healthcare, media and entertainment, retail, telecommunications, travel and transport | 150,000+ |
How to choose a WhatsApp Business Solutions provider
If you’re planning to implement WhatsApp Business or change from another provider, check the new platform is an approved business solutions provider. This ensures they are verified by Meta, who also advises to do your own due diligence.
Also consider the following:
Implementation
Some platforms are designed more for developers, so they may be more complex for everyday users, especially if they have complex features that you don’t need. Esendex is designed for both developers and teams with no-coding experience, offering plenty of support throughout setup, onboarding and integration.
Channels
Do you want to integrate your WhatsApp Business API alongside other highly converting channels like SMS or RCS? Even if you only want to get started with WhatsApp, it’s best to choose a provider who can support your preferred channels now and in the future. With Esendex, you can implement additional channels when needed, and scale up or down based on your needs.
Security
Make sure any provider you choose takes data protection seriously and can speak clearly to how it meets Australian requirements, including the Privacy Act 1988 and the Australian Privacy Principles (APPs). An ISO 27001 accreditation also provides independent verification that your data is managed to the highest international security standards.
Industry
Choose a provider with experience in your industry. Messages and campaigns can differ in financial services, for example, compared to sectors like e-commerce. Check for success stories and customer reviews. Esendex reports an NPS score of 50+, and works with a range of local organisations such as Bupa, Team Global Express, and government departments across Australia.
Which WhatsApp Business API provider is best?
Esendex is one of the best WhatsApp Business API providers for Australian businesses, with proven experience supporting customers to access the API, and scale and automate communications. The platform is designed for both developers and no-code teams, which sets it apart from the other developer-only providers.
Get started with our WhatsApp Business API.
WhatsApp Business API FAQs
What is the difference between WhatsApp Business and WhatsApp Business API?
The WhatsApp Business app is useful for small businesses to connect with customers, while the WhatsApp Business API is for medium and large businesses to scale and automate customer communications. You get more advanced sales and marketing features with the API including product carousels and chatbots, but it does need a developer or business solutions provider like Esendex to access and set up.
Is there an alternative to WhatsApp API?
Businesses may be looking for a quicker and more hassle-free way to access the API, which you can do through a business service provider (BSP) like Esendex. BSPs already host the API, so you don’t need to build it yourself, and they provide support with integrations and template approvals.
Is WhatsApp API worth it?
If the WhatsApp Business App isn’t serving your needs anymore – you may have outgrown it or want to automate communications – then the WhatsApp Business API is definitely worth it. It helps you to message thousands of customers for marketing campaigns or promotions, while improving sales and engagement with rich media including virtual shop fronts, pictures, video and quick reply buttons.
How do I integrate WhatsApp Business API?
To integrate the API, sign up as a developer or get in touch with Esendex, who can help you get started in no time.