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wp-agentic-writer/docs/architecture/REST_API_ENDPOINTS.md
Dwindi Ramadhana 690991c526 refactor: Cleanup git state - commit all staged changes 
Major refactoring cleanup:
- Add new controller architecture (class-controller-*.php)
- Add new settings-v2 UI (views/settings-v2/)
- Add new CSS architecture (agentic-sidebar.css, tokens)
- Add esbuild build pipeline (scripts/build.js, package.json)
- Add composer dependencies (vendor/)
- Add frontend src directory (assets/js/src/index.jsx)
- Add documentation files
- Remove old/obsolete files (class-settings.php, old CSS)

This commits all pending changes from previous refactoring efforts.
2026-06-17 05:27:58 +07:00

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REST API Endpoints

Complete reference for WP Agentic Writer REST API endpoints.

Base URL: /wp-json/wp-agentic-writer/v1

Authentication: All endpoints require WordPress authentication via cookie or application password. Permission checks vary by endpoint (see below).

Rate Limiting: Most endpoints are rate-limited. See Rate Limits below.

Rate Limits

Endpoint Limit Window Notes
POST /chat 30/min 60s
POST /chat_stream 30/min 60s Streaming variant
POST /search 20/min 60s Brave Search
POST /fetch-content 10/min 60s Web content fetch
All others — — No rate limiting

Models

GET /models

List available AI models from OpenRouter.

Handler: Controller_Models::handle_get_models()

Permission: check_permissions (authenticated user)

Response: Array of model objects from OpenRouter cache.

POST /models/refresh

Force-refresh the model cache.

Handler: Controller_Models::handle_refresh_models()

Permission: check_permissions

Response:

{
  "models": [...],
  "message": "Models refreshed successfully."
}

Chat

POST /chat

Send a chat message (non-streaming).

Handler: Controller_Chat::handle_chat_request()

Permission: check_permissions + post edit (if postId provided)

Rate Limit: 30 requests/minute

Request Body:

{
  "messages": [...],
  "postId": 123,
  "sessionId": "uuid",
  "type": "planning|writing|revising",
  "stream": false
}

Response: Full JSON response with assistant message.

POST /chat (streaming variant)

Same endpoint with "stream": true in request body. Uses Server-Sent Events.

Rate Limit: 30 requests/minute (same as non-streaming)

Response: text/event-stream with chunks.

POST /clear-context

Clear the chat context for a post.

Handler: Controller_Chat::handle_clear_context()

Permission: check_permissions + post edit

Request Body:

{
  "postId": 123,
  "sessionId": "uuid"
}

GET /chat-history/(?P<post_id>\d+)

Get legacy chat history from post meta. Deprecated — use /conversations instead.

Handler: Gutenberg_Sidebar::handle_get_chat_history()

Permission: check_permissions + post edit

Conversations

GET /conversation/(?P<post_id>\d+)

Get canonical conversation for chat hydration.

Handler: Gutenberg_Sidebar::handle_get_conversation()

Permission: check_permissions + post edit

GET /conversations

List all conversations for the current user.

Handler: Gutenberg_Sidebar::handle_get_conversations()

Permission: check_permissions

GET /conversations/post/(?P<post_id>\d+)

List conversations linked to a specific post.

Handler: Gutenberg_Sidebar::handle_get_conversations()

Permission: check_permissions

POST /conversations

Create a new conversation.

Handler: Gutenberg_Sidebar::handle_create_conversation()

Permission: check_permissions

GET /conversations/(?P<session_id>[a-zA-Z0-9]+)

Get a specific conversation.

Handler: Gutenberg_Sidebar::handle_get_conversation()

Permission: check_permissions

PUT /conversations/(?P<session_id>[a-zA-Z0-9]+)

Update conversation metadata.

Handler: Gutenberg_Sidebar::handle_update_conversation()

Permission: check_permissions

DELETE /conversations/(?P<session_id>[a-zA-Z0-9]+)

Delete a conversation.

Handler: Gutenberg_Sidebar::handle_delete_conversation()

Permission: check_permissions

POST|PUT /conversations/(?P<session_id>[a-zA-Z0-9]+)/messages

Add or update messages in a conversation.

Handler: Gutenberg_Sidebar::handle_update_conversation_messages()

Permission: check_permissions

POST /conversations/(?P<session_id>[a-zA-Z0-9]+)/link-post

Link a conversation to a post.

Handler: Gutenberg_Sidebar::handle_link_conversation_to_post()

Permission: check_permissions

POST /conversations/(?P<session_id>[a-zA-Z0-9]+)/lock

Acquire or refresh session lock (heartbeat).

Handler: Controller_Session::handle_session_lock()

Permission: check_permissions + conversation access

Request Body:

{
  "tab_id": "uuid",
  "force": false
}

Response:

{
  "acquired": true,
  "expires_at": 1234567890,
  "tab_id": "uuid"
}

DELETE /conversations/(?P<session_id>[a-zA-Z0-9]+)/lock

Release session lock.

Handler: Controller_Session::handle_session_unlock()

Permission: check_permissions + conversation access

Planning & Writing

GET|POST /post-config/(?P<post_id>\d+)

Get or save post configuration (focus keyword, language, article type).

Handler: Gutenberg_Sidebar::handle_get_post_config() / handle_save_post_config()

Permission: check_permissions + post edit

POST /generate-plan

Generate article outline/plan.

Handler: Gutenberg_Sidebar::handle_generate_plan()

Permission: check_permissions + post edit

POST /revise-plan

Revise an existing plan.

Handler: Gutenberg_Sidebar::handle_revise_plan()

Permission: check_permissions + post edit

POST /execute-article

Execute article generation from plan.

Handler: Gutenberg_Sidebar::handle_execute_article()

Permission: check_permissions + post edit

POST /reformat-blocks

Reformat blocks (e.g., convert to different structure).

Handler: Gutenberg_Sidebar::handle_reformat_blocks()

Permission: check_permissions + post edit

POST /regenerate-block

Regenerate a single block.

Handler: Gutenberg_Sidebar::handle_regenerate_block()

Permission: check_permissions + post edit

POST /refine-block

Refine a block with instructions.

Handler: Gutenberg_Sidebar::handle_block_refine()

Permission: check_permissions + post edit

POST /refine-from-chat

Refine blocks based on chat conversation.

Handler: Gutenberg_Sidebar::handle_refine_from_chat()

Permission: check_permissions + post edit

POST /refine-multi-pass

Multi-pass block refinement.

Handler: Gutenberg_Sidebar::handle_refine_multi_pass()

Permission: check_permissions + post edit

POST /refine-article

Article-wide refinement.

Handler: Gutenberg_Sidebar::handle_refine_article()

Permission: check_permissions + post edit

POST /summarize-context

Summarize context to stay within token limits.

Handler: Gutenberg_Sidebar::handle_summarize_context()

Permission: check_permissions + post edit

Content Quality

POST /check-clarity

Check content clarity.

Handler: Gutenberg_Sidebar::handle_check_clarity()

Permission: check_permissions + post edit

POST /detect-intent

Detect user intent from message.

Handler: Gutenberg_Sidebar::handle_detect_intent()

Permission: check_permissions

POST /suggest-improvements

Proactive improvement suggestions (idle analysis).

Handler: Gutenberg_Sidebar::handle_suggest_improvements()

Permission: check_permissions + post edit

SEO

GET /seo-audit/(?P<post_id>\d+)

Run SEO audit for a post.

Handler: Gutenberg_Sidebar::handle_seo_audit()

Permission: check_permissions + post edit

POST /generate-meta

Generate meta description.

Handler: Gutenberg_Sidebar::handle_generate_meta()

Permission: check_permissions + post edit

POST /suggest-keywords

Suggest keywords for a post.

Handler: Gutenberg_Sidebar::handle_suggest_keywords()

Permission: check_permissions + post edit

GET /geo-score/(?P<post_id>\d+)

Get GEO scoring for a post.

Handler: Gutenberg_Sidebar::handle_geo_score()

Permission: check_permissions + post edit

Title & Excerpt

POST /generate-title

Generate post title (uses WP 7.0 AI Client when available).

Handler: Gutenberg_Sidebar::handle_generate_title()

Permission: check_permissions + post edit

POST /refine-title

Refine title with instructions.

Handler: Gutenberg_Sidebar::handle_refine_title()

Permission: check_permissions + post edit

POST /generate-excerpt

Generate post excerpt (uses WP 7.0 AI Client when available).

Handler: Gutenberg_Sidebar::handle_generate_excerpt()

Permission: check_permissions + post edit

Images

GET /image-recommendations/(?P<post_id>\d+)

Get image recommendations for a post.

Handler: Gutenberg_Sidebar::handle_get_image_recommendations()

Permission: check_permissions + post edit

POST /generate-image

Generate an image.

Handler: Gutenberg_Sidebar::handle_generate_image()

Permission: check_permissions + post edit

POST /commit-image

Commit/save generated image.

Handler: Gutenberg_Sidebar::handle_commit_image()

Permission: check_permissions + post edit

Writing State

GET /writing-state/(?P<post_id>\d+)

Get writing state for a post.

Handler: Gutenberg_Sidebar::handle_get_writing_state()

Permission: check_permissions + post edit

POST /writing-state/(?P<post_id>\d+)

Save writing state.

Handler: Gutenberg_Sidebar::handle_save_writing_state()

Permission: check_permissions + post edit

Section Blocks

POST /section-blocks

Save section block mapping.

Handler: Gutenberg_Sidebar::handle_save_section_blocks()

Permission: check_permissions

GET /section-blocks/(?P<post_id>\d+)

Get section blocks for a post.

Handler: Gutenberg_Sidebar::handle_get_section_blocks()

Permission: check_permissions + post edit

Cost Tracking

GET /cost-tracking/(?P<post_id>\d+)

Get cost tracking data.

Handler: Controller_Cost::handle_get_cost_tracking()

Permission: check_permissions + post edit (if post_id > 0)

AI Capabilities

GET /ai-capabilities

Get AI capabilities status.

Handler: Gutenberg_Sidebar::handle_get_ai_capabilities()

Permission: check_permissions

Research

POST /search

Search the web (Brave Search).

Handler: Controller_Chat::handle_search()

Permission: check_permissions

Rate Limit: 20 requests/minute

POST /fetch-content

Fetch web page content.

Handler: Controller_Chat::handle_fetch_content()

Permission: check_permissions

Rate Limit: 10 requests/minute

POST /research-summary

Generate research summary.

Handler: Controller_Chat::handle_research_summary()

Permission: check_permissions

MEMANTO (Memory)

GET /memanto/status

Get MEMANTO service status.

Handler: Gutenberg_Sidebar::handle_memanto_status()

Permission: check_permissions

GET /memanto/recall

Recall recent memories for a post.

Handler: Gutenberg_Sidebar::handle_memanto_recall()

Permission: check_permissions

GET /memanto/restore

Restore session for cross-session continuity.

Handler: Gutenberg_Sidebar::handle_memanto_restore()

Permission: check_permissions

GET /memanto/preferences

Get user preferences for new post carry-over.

Handler: Gutenberg_Sidebar::handle_memanto_preferences()

Permission: check_permissions

User Preferences

GET /user-preferences

Get user preferences (public — no auth required).

Handler: Gutenberg_Sidebar::handle_get_user_preferences()

Permission: __return_true (public)

POST /user-preferences

Save user preferences.

Handler: Gutenberg_Sidebar::handle_save_user_preferences()

Permission: check_permissions

Migration

POST /migrate-chat-history/(?P<post_id>\d+)

Migrate legacy post meta chat history to conversations table.

Handler: Gutenberg_Sidebar::handle_migrate_chat_history()

Permission: check_permissions + post edit

Error Codes

Code HTTP Status Description
forbidden 403 User lacks permission for this action
invalid_post 400 Invalid or missing post ID
rate_limit_exceeded 429 Too many requests
missing_tab_id 400 Session lock requires tab_id
Various WP_Error codes varies Provider-specific errors

Response Format

All responses are JSON. Successful responses:

{
  "status": "success",
  "data": { ... }
}

Or directly the resource data:

{
  "key": "value"
}

Error responses:

{
  "code": "error_code",
  "message": "Human-readable message",
  "data": { "status": 400 }
}
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