# Telstra

**Canonical:** https://apis.io/providers/telstra/  
**Website:** https://dev.telstra.com  
**APIs profiled:** 6

Telstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, mobile voice and data, enterprise networking, and IoT connectivity across Australia and into Asia. Telstra exposes a developer programme at dev.telstra.com fronting carrier-grade Messaging (SMS / MMS) and Mobile Number Verification APIs, with official SDKs in Python, Node.js, Java, .NET, and Go, and Arduino libraries for the Telstra Cat-1 and Cat-M1 IoT development kits. APIs are reached at tapi.telstra.com behind OAuth 2.0 client credentials with the NSMS or MNV scopes.

## Kin Score — 56.7 / 100 (strong)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.5 from 56.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 69.5 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 50.0 |
| Commercial Clarity | 52.6 |
| Access Clarity | 52.6 |

Regulatory layer — **Telecommunications**: 52.8 (matched via tags).

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium (free trial) · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: yes (confidence: high).

## APIs (6)

- **Telstra Authentication API** — OAuth 2.0 client credentials token issuance.
- **Telstra HealthCheck API** — Service health checks for SMS and MMS messaging surfaces.
- **Telstra MMS API** — Send, retrieve, and check status of MMS messages.
- **Telstra Provisioning API** — Create, retrieve, and delete dedicated number subscriptions.
- **Telstra SMS API** — Send, retrieve, and check status of SMS messages.
- **Telstra Verification API** — Mobile number verification operations.

## Agentic access (1)

- **Telstra Agentic Access** — 13 operations · 6 acting

## Security (2)

- **Telstra Authentication** — oauth2 · 1 scheme
- **Telstra Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Telstra Plans Pricing**

## Tags

Telecommunications, Telco, Mobile, Messaging, SMS, MMS, Networks, Australia, Verification

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/telstra/). Scores are computed from the provider's own public artifacts under a published rubric.
