Telkomsel SMS API
Application-to-person SMS - regular and premium sends plus delivery-status polling.
Telkomsel SMS API is one of 8 APIs that Telkomsel publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include SMS. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 3 operations across 3 paths. It is described by OpenAPI 3.0.3, at version 2026-07-11.
Requests are made against a single base URL, https://api.digitalcore.telkomsel.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 3
Telkomsel SMS API declares
3 security schemes
for authenticating requests.
An API key is passed in the header as api_key (ApiKeyAuth).
An API key is passed in the header as x-signature (SignatureAuth).
It accepts HTTP bearer tokens (BearerAuth).
By default, every request must be authenticated.
ApiKeyAuth— API Key / Package Key issued per subscribed DigiHub application.SignatureAuth— SHA256(API Key + Secret Key + current epoch timestamp in seconds, UTC). Required alongside apikey on every request. See https://digihub.telkomsel.com/documenta…BearerAuth— Bearer access token obtained via the OIDC CIBA flow (POST /bc-authorize then POST /token). Used by the CAMARA-style SIM Swap API.
Paths & Operations 3
Across 3 paths, the API surfaces 3 operations — 1 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.
Application-to-person SMS - regular and premium sends plus delivery-status polling.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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