# Services

All services and applications registered on the Internal Developer Platform.

```{toctree}
:hidden:

api-gateway
auth
notifications
payments
profile
```

::::{grid} 1

:::{grid-item-card} api-gateway
:link: api-gateway
:link-type: doc
Entry point for all external traffic. Routes requests to internal services, handles rate limiting, authentication validation, and TLS termination.

**Owner:** team-platform · **Lang:** GO · 🔴 Critical  
**Observability:** 📋 📊 🔍
:::

:::{grid-item-card} auth
:link: auth
:link-type: doc
Handles authentication and authorization. Issues JWT tokens, validates service accounts, and manages OAuth2 flows for internal and external users.

**Owner:** team-security · **Lang:** GO · 🔴 Critical  
**Observability:** 📋 📊 🔍
:::

:::{grid-item-card} payments
:link: payments
:link-type: doc
Processes payment transactions, manages billing cycles, and integrates with external payment providers. All operations are idempotent and transactionally safe.

**Owner:** team-fintech · **Lang:** PYTHON · 🔴 Critical  
**Observability:** 📋 📊 🔍
:::

:::{grid-item-card} notifications
:link: notifications
:link-type: doc
Delivers push notifications, emails, and SMS messages. Supports templated messages, delivery scheduling, and retry logic with exponential backoff.

**Owner:** team-communications · **Lang:** NODE · 🟡 Standard  
**Observability:** 📋 📊
:::

:::{grid-item-card} profile
:link: profile
:link-type: doc
Stores and serves user profile data including preferences, settings, and account information. The source of truth for user identity within the platform.

**Owner:** team-account · **Lang:** GO · 🟡 Standard  
**Observability:** 📋 📊
:::

::::