Daily API surface sync (20260802)

public/llms-full.txt

@@ -199,6 +199,13 @@ GET /v1/agents/{agent_id}/voice/library?source={public|user_designed|user_traine
 }
 ```
 
+To list only the voices the user **created** (designed, trained, or cloned — not the public catalog):
+
+```
+GET /v1/user_voice_resources?agent_id={id}
+→ [ { voice_id, name, source, preview_url } ]
+```
+
 ### ElevenLabs integration
 
 Users connect their own ElevenLabs API key to unlock their personal voice library and use their own quota.
@@ -535,6 +542,23 @@ GET /v1/vidsheet/{id}?agent_id={id}&with_execution_cost=true
 POST /v1/vidsheet/{id}/clone?agent_id={id}
 Body: { target_agent_id? }
 → new engine, optionally under a different agent
+
+# Undo / redo history (every edit is recorded as a change set)
+GET /v1/vidsheet/{id}/operations?agent_id={id}&limit=20&include_undone=false
+→ { change_sets: [{ change_set_id, undone, created_at, entries }] } newest-first
+
+GET /v1/vidsheet/{id}/operations/last?agent_id={id}
+→ { change_set: {...} | null }  # the next-to-undo entry (cheaper than the full list)
+
+POST /v1/vidsheet/{id}/operations/undo?agent_id={id}
+Body: { change_set_id? }  # omit to undo the most recent undoable change set
+→ { change_set_id, undone: [...], next_undoable: {...} | null }
+Errors: 422 nothing_to_undo (stack empty); 409 undo_conflict (sheet changed — refetch and retry)
+
+POST /v1/vidsheet/{id}/operations/redo?agent_id={id}
+Body: { change_set_id? }
+→ { change_set_id, redone: [...], next_undoable: {...} | null }
+Errors: 422 nothing_to_redo; 409 redo_conflict (refetch and retry)
 ```
 
 ---
@@ -889,6 +913,22 @@ Once configured, generations POST status updates to your `webhook_url`.
 
 Render the final composite, poll to completion, download the MP4, optionally publish to TikTok.
 
+## Check Credit Balance and Usage
+
+Read-only credit endpoints — all free. Check the balance before a paid operation, audit spend with the transaction history, or list plans before a purchase.
+
+```
+GET /v1/credit_balance?agent_id={id}
+→ { available_credit: { generic: <number> } }
+
+GET /v1/credit_transactions?agent_id={id}&page=1
+→ paginated list of { id, amount, balance_after, source_type, description, created_at }
+  # amount is negative for a charge, positive for a refund or grant
+
+GET /v1/credit_plans?cycle={monthly|annual}
+→ [ { id, name, cycle, credits } ]  # read prices/amounts at runtime — they change
+```
+
 ## Render the Final Video
 
 Render is an async generation — same polling pattern as every other generation.

public/llms.txt

@@ -99,6 +99,7 @@ GET    /v1/agents/:agent_id/core                 — read flat agent setup
 PATCH  /v1/agents/:agent_id/core                 — write any subset
 
 GET    /v1/agents/:agent_id/voice/library        — list voices (filter by source)
+GET    /v1/user_voice_resources?agent_id=         — list voices the user created only
 POST   /v1/agents/:agent_id/voice/integrations/elevenlabs   — connect user ElevenLabs key
 POST   /v1/agents/:agent_id/voice/integrations/elevenlabs/test   — validate without saving
 DELETE /v1/agents/:agent_id/voice/integrations/elevenlabs   — disconnect
@@ -446,6 +447,12 @@ GET    /v1/vidsheet/:id/global_variables?agent_id=
 POST   /v1/vidsheet/:id/import_global_variables?agent_id=     (XLSX)
 GET    /v1/vidsheet/global_variables_template                 (download template)
 
+# Undo / redo history (every edit is a change set)
+GET    /v1/vidsheet/:id/operations?agent_id=&limit=&include_undone=
+GET    /v1/vidsheet/:id/operations/last?agent_id=
+POST   /v1/vidsheet/:id/operations/undo?agent_id=             Body: { change_set_id? }
+POST   /v1/vidsheet/:id/operations/redo?agent_id=             Body: { change_set_id? }
+
 # Content Resources & Assets
 GET    /v1/content_resources?agent_id=&type=&page=
 POST   /v1/content_resources?agent_id=                                  (multipart)
@@ -554,6 +561,9 @@ curl "https://api.gen.pro/v1/user_jobs/138860?agent_id=$AGENT_ID" \
 ### Step 5 endpoints
 
 ```
+GET    /v1/credit_balance?agent_id=                              — read available credits (free)
+GET    /v1/credit_transactions?agent_id=&page=                   — usage history (free)
+GET    /v1/credit_plans?cycle={monthly|annual}                   — plans to buy (free)
 POST   /v1/vidsheet/:id/cells/:cell_id/render?agent_id=   — kick off render
 GET    /v1/generations/:id                                          — poll render
 POST   /v1/user_jobs?agent_id= (publish_content)                    — publish now / schedule