Sonar
Sonar provides a Business SMS and Text Messaging platform enabling sales teams to reach customers on their preferred channels, personalize relationships at scale, and close more deals. The customizable solution offers features like Salesforce integration, compliance tools, automation, analytics, and mass texting, supporting industries from automotive to financial services.
Sonar publishes 11 API contracts indexed on the APIs.io network, including Accounts API, Campaigns API, Conversations API, and 8 more. Tagged areas include Company, SMS, Messaging, Sales, and Automation.
The Sonar catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
Sonar’s developer surface includes changelog, API reference, getting-started guide, authentication, documentation, engineering blog, signup flow, and 20 more developer resources.
Kin Score
Kin Score
How this is scored →scored 2026-10-31 · rubric v0.25.0
It updates itself when the score changes. Paste this where you link to your API docs:
<a href="https://apis.io/providers/sendsonar-com/"><img src="https://apis.io/badge/sendsonar-com/card.svg" alt="Sonar on APIs.io — Kin Score by API Evangelist"></a>Other styles, a README pill and a shields.io endpoint are on the badge page.
- MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
- Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
- A2A Agent Card +8 pts — a2a/
-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 - Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
- Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
- Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
- Access Clarity scores 34.2 — up to +13.2 composite points
- Contract Quality scores 53.4 — up to +11.7 composite points
- Contract Governance scores 18.2 — up to +9.8 composite points
APIs 11
Individual APIs this provider publishes, each with its own machine-readable definition.
Sonar API
API for Sonar SMS platform, enabling sending messages, managing customers and teams.
Sonar Accounts API
The Accounts API from Sonar — 1 operation(s) for accounts.
Sonar Campaigns API
The Campaigns API from Sonar — 2 operation(s) for campaigns.
Sonar Conversations API
The Conversations API from Sonar — 1 operation(s) for conversations.
Sonar Customers API
The Customers API from Sonar — 7 operation(s) for customers.
Sonar Events API
The Events API from Sonar — 1 operation(s) for events.
Sonar Messages API
The Messages API from Sonar — 3 operation(s) for messages.
Sonar Phone Numbers API
The Phone Numbers API from Sonar — 1 operation(s) for phone numbers.
Sonar Roles API
The Roles API from Sonar — 1 operation(s) for roles.
Sonar Users API
The Users API from Sonar — 2 operation(s) for users.
Sonar Webhooks API
The Webhooks API from Sonar — 2 operation(s) for webhooks.
Scroll for all 11
Agent Skills 1
Packaged agent skills for driving this provider's APIs from an AI assistant.
Event Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Sendsonar Com Webhooks
ASYNCAPISpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Sonar API Rules
SPECTRALSecurity 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 3
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
Design & Contract 4
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 2
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)
Sonar API — frequently asked questions
Does Sonar have an API?
Yes. APIs.io lists 11 APIs from Sonar, including Sonar API, Sonar Accounts API and Sonar Campaigns API, and 8 more.
Is there an OpenAPI specification for the Sonar API?
Yes. APIs.io indexes 10 OpenAPI specifications for Sonar, each linked for download from this page.
How do I authenticate with the Sonar API?
Sonar uses bearer-token authentication (apiKey · 2 schemes). The details are profiled on APIs.io as Sendsonar Com Authentication.
Is the Sonar API ready for AI agents?
Sonar has a Kin Score of 45.7 out of 100 (developing) and an Agent Readiness score of 31.5 (agent-ready), scored by API Evangelist on 2026-10-31.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.