283 lines
7.2 KiB
Markdown
283 lines
7.2 KiB
Markdown
# API Routes
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All HTTP endpoints across NexusAI services. Clients communicate only with
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the orchestration service (port 4000) — memory service routes are listed
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here for reference and direct debugging use.
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---
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## Orchestration Service — port 4000
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### Health
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| Method | Path | Description |
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| GET | /health | Service health check |
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### Chat
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| Method | Path | Description |
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| POST | /chat | Send a message, receive full response |
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| POST | /chat/stream | Send a message, receive SSE token stream |
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**POST /chat and POST /chat/stream — request body:**
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```json
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{
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"sessionId": "your-session-uuid",
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"message": "Hello, my name is Tim.",
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"model": "gemma-4-26B-A4B-Claude-Distill-APEX-I-Mini.gguf",
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"temperature": 0.7
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}
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```
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`model` and `temperature` are optional.
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**POST /chat — response:**
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```json
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{
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"sessionId": "your-session-uuid",
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"response": "Hello Tim! How can I help you today?",
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"model": "gemma-4-26B-A4B-Claude-Distill-APEX-I-Mini.gguf",
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"tokenCount": 87
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}
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```
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**POST /chat/stream — response (SSE):**
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```
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data: {"text":"Hello"}
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data: {"text":" Tim"}
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data: {"done":true,"model":"gemma-4-26B...gguf","tokenCount":87}
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```
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### Sessions
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| Method | Path | Description |
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| GET | /sessions | Paginated session list |
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| GET | /sessions/:sessionId/history | Paginated episode history for a session |
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| PATCH | /sessions/:sessionId | Update session name and/or project assignment |
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| DELETE | /sessions/:sessionId | Delete session and all its episodes |
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**GET /sessions — query params:**
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| Param | Default | Description |
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| limit | 20 | Sessions per page |
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| offset | 0 | Pagination offset |
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| projectId | — | Filter by project (integer ID) |
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**PATCH /sessions/:sessionId — body:**
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```json
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{ "name": "My Session", "projectId": 3 }
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```
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Either `name` or `projectId` is required. Both can be sent together.
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Returns the updated session object.
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**GET /sessions/:sessionId/history — query params:**
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| Param | Default | Description |
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| limit | 20 | Episodes per page |
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| offset | 0 | Pagination offset |
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Returns `{ sessionId, episodes: [...] }`. Episodes ordered newest first.
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### Projects
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| Method | Path | Description |
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| GET | /projects | Get all projects |
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| POST | /projects | Create a new project |
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| PATCH | /projects/:id | Update a project |
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| DELETE | /projects/:id | Delete a project (nulls session assignments) |
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**POST /projects — body:**
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```json
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{
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"name": "My Project",
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"description": "Optional description",
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"colour": "#3d3a79",
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"icon": null,
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"isolated": 0
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}
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```
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`name` is required. All other fields optional. `isolated` is `0` or `1`.
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Returns `201` with the created project object.
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**PATCH /projects/:id — body:** same fields as POST, all optional.
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### Models
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| Method | Path | Description |
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| GET | /models | Available models from `models.json` manifest |
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Returns array: `[{ "value": "model-name.gguf", "label": "Display Name" }]`
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---
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## Memory Service — port 3002
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Direct access is for debugging only. All client traffic goes through
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orchestration.
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### Health
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| Method | Path | Description |
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| GET | /health | Service health check |
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### Sessions
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| Method | Path | Description |
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| POST | /sessions | Create a new session |
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| GET | /sessions | Paginated session list with optional projectId filter |
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| GET | /sessions/:id | Get session by internal ID |
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| GET | /sessions/by-external/:externalId | Get session by external ID |
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| PATCH | /sessions/by-external/:externalId | Update session fields |
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| DELETE | /sessions/by-external/:externalId | Delete session (cascades to episodes) |
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> Route ordering: `by-external/:externalId` must be defined before `/:id`
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> to prevent `by-external` being captured as an ID param.
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**POST /sessions — body:**
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```json
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{ "externalId": "unique-uuid", "metadata": {} }
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```
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**PATCH /sessions/by-external/:externalId — body:**
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```json
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{ "name": "Session Name", "projectId": 3 }
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```
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Both fields are optional. Only provided fields are updated — other fields
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are not touched.
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### Episodes
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| Method | Path | Description |
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| POST | /episodes | Create episode + auto-embed into Qdrant |
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| GET | /episodes/search?q=&limit= | FTS keyword search across all episodes |
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| GET | /episodes/:id | Get episode by ID |
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| GET | /sessions/:id/episodes?limit=&offset= | Paginated episodes for a session |
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| DELETE | /episodes/:id | Delete an episode |
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> Route ordering: `/episodes/search` must be defined before `/episodes/:id`.
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**POST /episodes — body:**
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```json
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{
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"sessionId": 1,
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"userMessage": "Hello",
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"aiResponse": "Hi there!",
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"tokenCount": 10
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}
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```
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### Projects
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| Method | Path | Description |
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| POST | /projects | Create a new project |
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| GET | /projects | Get all projects |
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| GET | /projects/:id | Get project by ID |
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| PATCH | /projects/:id | Update a project |
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| DELETE | /projects/:id | Delete project + null session assignments |
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Same request/response shape as orchestration `/projects` above.
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### Entities
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| Method | Path | Description |
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| POST | /entities | Upsert entity (creates or updates by name + type) |
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| GET | /entities/by-type/:type | All entities of a given type |
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| GET | /entities/:id | Get entity by ID |
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| DELETE | /entities/:id | Delete entity (cascades to relationships) |
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> Route ordering: `/entities/by-type/:type` must be before `/entities/:id`.
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**POST /entities — body:**
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```json
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{
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"name": "NexusAI",
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"type": "project",
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"notes": "My AI memory project",
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"metadata": {}
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}
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```
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### Relationships
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| Method | Path | Description |
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| POST | /relationships | Upsert a relationship between two entities |
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| GET | /entities/:id/relationships | All relationships for an entity |
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| DELETE | /relationships | Delete a specific relationship |
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**POST /relationships — body:**
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```json
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{ "fromId": 1, "toId": 2, "label": "uses", "metadata": {} }
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```
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**DELETE /relationships — body:**
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```json
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{ "fromId": 1, "toId": 2, "label": "uses" }
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```
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Relationships are identified by the composite key `(fromId, toId, label)`.
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Delete uses request body rather than URL params since this three-part key
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is awkward to encode in a path.
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---
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## Embedding Service — port 3003
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| Method | Path | Description |
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| GET | /health | Service health check |
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| POST | /embed | Embed a single text string |
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| POST | /embed/batch | Embed an array of text strings |
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**POST /embed — body:**
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```json
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{ "text": "Hello from NexusAI" }
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```
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**POST /embed — response:**
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```json
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{ "embedding": [0.123, -0.456, ...], "model": "nomic-embed-text", "dimensions": 768 }
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```
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---
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## Inference Service — port 3001
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| Method | Path | Description |
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| GET | /health | Health check — reports active provider and model |
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| POST | /complete | Full completion — awaits entire response |
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| POST | /complete/stream | Streaming completion via SSE |
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**POST /complete — body:**
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```json
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{
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"prompt": "What is the capital of France?",
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"model": "gemma-4-26B-A4B-Claude-Distill-APEX-I-Mini.gguf",
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"temperature": 0.7,
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"maxTokens": 1024
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}
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```
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All fields except `prompt` are optional.
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**POST /complete — response:**
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```json
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{
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"text": "The capital of France is Paris.",
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"model": "gemma-4-26B...gguf",
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"done": true,
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"evalCount": 8,
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"promptEvalCount": 41
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}
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``` |