engageSPARK
engageSPARK is a mobile messaging and engagement platform for reaching hard-to-reach populations in low- and middle-income countries at scale. It lets NGOs, researchers, microfinance institutions, and businesses run SMS, automated voice (IVR), WhatsApp, and pre-paid airtime top-up campaigns across 180+ countries without writing code, or programmatically through its HTTP API. The engageSPARK API (api.engagespark.com, v1) exposes token-authenticated endpoints for sending SMS, WhatsApp, and airtime top-ups, managing contacts and organizations, subscribing and unsubscribing contacts to voice and SMS campaigns, reading message and top-up history, checking organization balance, and managing files. Incoming-SMS and campaign-action webhooks let the platform push survey responses and inbound messages into external systems such as Salesforce or Qualtrics.
engageSPARK publishes 7 API contracts indexed on the APIs.io network, including Balance API, Campaigns API, Contacts API, and 4 more. Tagged areas include Company, Messaging, SMS, Voice, and WhatsApp.
The engageSPARK catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
engageSPARK’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 14 more developer resources.
What this lets a business do 1
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Markets this provider is in provisional
The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.
| Market | Position | Depth | Registered MCP server | Declares compatibility |
|---|---|---|---|---|
| Surveys, Market Research and Experience Management | undeclared | - | - | 1 |
Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 7
Individual APIs this provider publishes, each with its own machine-readable definition.
engageSPARK Balance API
The Balance API from engageSPARK — 1 operation(s) for balance.
engageSPARK Campaigns API
The Campaigns API from engageSPARK — 2 operation(s) for campaigns.
engageSPARK Contacts API
The Contacts API from engageSPARK — 2 operation(s) for contacts.
engageSPARK Files API
The Files API from engageSPARK — 2 operation(s) for files.
engageSPARK SMS API
The SMS API from engageSPARK — 4 operation(s) for sms.
engageSPARK Top-Up API
The Top-Up API from engageSPARK — 3 operation(s) for top-up.
engageSPARK Whats App API
The Whats App API from engageSPARK — 3 operation(s) for whats app.
Scroll for all 7
Open Collections 7
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
engageSPARK Balance API
OPEN COLLECTIONengageSPARK Balance Campaigns API
OPEN COLLECTIONengageSPARK Balance Contacts API
OPEN COLLECTIONengageSPARK Balance Files API
OPEN COLLECTIONengageSPARK Balance SMS API
OPEN COLLECTIONengageSPARK Balance Top-Up API
OPEN COLLECTIONengageSPARK Balance WhatsApp API
OPEN COLLECTIONScroll for all 7
Agent Skills 4
Packaged agent skills for driving this provider's APIs from an AI assistant.
Subscribe a contact to a campaign
AGENT SKILLManage contacts
AGENT SKILLSend an airtime top-up
AGENT SKILLSend and track an SMS
AGENT SKILLengageSPARK API pricing
Prices published by engageSPARK, read 2026-09-20 from www.engagespark.com/pricing/.
| Plan | Price |
|---|---|
| Send a Text Message (engageSPARK Global Network) | From $0.02/ SMS |
| Receive a Text Message | $0.02/ SMS + $19.99/ MONTH |
| Send a WhatsApp Marketing Message | $0.017 + 0.000/ MESSAGE |
| Send a WhatsApp Utility Message | $0.017 + 0.000/ MESSAGE |
| Receive a WhatsApp Message | $0.017/ MESSAGE |
| Send a Voice Call | From $0.000/ MINUTE |
| Receive a Voice Call | $0.005/ MINUTE + $1.00/ MONTH |
| Receive a Missed Call | $0.005/ CALL + $5.000/ MONTH |
Pricing Plans 2
Published pricing tiers and plan structures.
Service Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
engageSPARK
SLAEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Engagespark Webhooks
ASYNCAPISpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
engageSPARK API Rules
SPECTRALOpenAPI Overlays 1
Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.
Engagespark Openapi Overlay
DERIVEDSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 1
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 2
Properties that don't map to a standard resource type
Source (apis.yml)
engageSPARK API — frequently asked questions
Does engageSPARK have an API?
Yes. APIs.io lists 7 APIs from engageSPARK, including engageSPARK Balance API, engageSPARK Campaigns API and engageSPARK Contacts API, and 4 more.
Is there an OpenAPI specification for the engageSPARK API?
Yes. APIs.io indexes 7 OpenAPI specifications for engageSPARK, each linked for download from this page.
How do I authenticate with the engageSPARK API?
engageSPARK uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Engagespark Authentication.
How much does the engageSPARK API cost?
engageSPARK publishes its prices; its Send a Text Message (engageSPARK Global Network) plan is From $0.02/ SMS as of 2026-09-20. APIs.io lists 10 pricing plans for engageSPARK, with each plan's price, limits and inclusions under Pricing on this page.
Is the engageSPARK API ready for AI agents?
engageSPARK has a Kin Score of 47.8 out of 100 (developing) and an Agent Readiness score of 32.2 (agent-ready), scored by API Evangelist on 2026-11-06.
Work with this as data
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