# \#core-api **URL:** https://forum.convai.com/tag/core-api/66.md [Latest](https://forum.convai.com/latest.md) · [Categories](https://forum.convai.com/categories.md) · [Tags](https://forum.convai.com/tags.md) --- ## [Set Up Convai Analytics MCP with AI Agents Like Claude in Under 60 Seconds](https://forum.convai.com/t/set-up-convai-analytics-mcp-with-ai-agents-like-claude-in-under-60-seconds/6194)
**Author:** [@K3](https://forum.convai.com/u/K3)\ **Replies:** 2\ **Last updated:** [June 12, 2026, 10:08am UTC](https://forum.convai.com/t/set-up-convai-analytics-mcp-with-ai-agents-like-claude-in-under-60-seconds/6194 "2026-06-12T10:08:15Z")
Hello everyone, Managing and analyzing your AI character interactions just got a whole lot easier! We are excited to introduce the Convai Analytics MCP (Model Context Protocol). In this quick video, we show you how to … --- ## [Check access to API to handle fallback solution](https://forum.convai.com/t/check-access-to-api-to-handle-fallback-solution/5333)
**Author:** [@nicolas.lefevre](https://forum.convai.com/u/nicolas.lefevre)\ **Replies:** 1\ **Last updated:** [June 1, 2026, 12:57pm UTC](https://forum.convai.com/t/check-access-to-api-to-handle-fallback-solution/5333 "2026-06-01T12:57:33Z")
Hello, I’m using Unity with ConvAI. On the beginning of my application, I want to check if I’ve access to the convai api, and if not, to handle a custom fallback solution that don’t use AI. Do you know if there is a me… --- ## [Upgrading from Free to Pro mid-cycle — do interactions reset immediately?](https://forum.convai.com/t/upgrading-from-free-to-pro-mid-cycle-do-interactions-reset-immediately/6155)
**Author:** [@Samuel\_Ionesi](https://forum.convai.com/u/Samuel_Ionesi)\ **Replies:** 1\ **Last updated:** [May 10, 2026, 12:21am UTC](https://forum.convai.com/t/upgrading-from-free-to-pro-mid-cycle-do-interactions-reset-immediately/6155 "2026-05-10T00:21:00Z")
Description Hi, I’m currently on the free plan which gives 100 interactions per month. My quota resets on June 8, 2026, but I’ve already used 99/100 interactions and I need to keep testing my project. If I upgrade to a… --- ## [Hi, I need help with my Convai integration](https://forum.convai.com/t/hi-i-need-help-with-my-convai-integration/6094)
**Author:** [@Idris\_Serrafi](https://forum.convai.com/u/Idris_Serrafi)\ **Replies:** 10\ **Last updated:** [April 28, 2026, 7:45am UTC](https://forum.convai.com/t/hi-i-need-help-with-my-convai-integration/6094 "2026-04-28T07:45:55Z")
Hi, I’m using Convai with Zapier and Google Sheets. Manual API test works and data is saved in Sheets, but in live chat the avatar asks for info and nothing is sent. Also “Connect to” in final section shows no API functi… --- ## [Upgrade Plan immediate](https://forum.convai.com/t/upgrade-plan-immediate/5254)
**Author:** [@Design](https://forum.convai.com/u/Design)\ **Replies:** 2\ **Last updated:** [October 5, 2025, 2:02pm UTC](https://forum.convai.com/t/upgrade-plan-immediate/5254 "2025-10-05T14:02:53Z")
I want to upgrade my plan immediately, but the billing screen tells me it won’t be valid until next month. Is that correct? I need more credits and cannot wait until renewal --- ## [API Key Change?!](https://forum.convai.com/t/api-key-change/5243)
**Author:** [@zephyrsoulstice](https://forum.convai.com/u/zephyrsoulstice)\ **Replies:** 1\ **Last updated:** [October 5, 2025, 1:27pm UTC](https://forum.convai.com/t/api-key-change/5243 "2025-10-05T13:27:07Z")
Hello, I had a custom application developed implementing Convai’s API and character ID to pull the information here and use it for Twitch streaming. However, as of Monday, when I opened the custom program, it no longer … --- ## [Cartesia AI Documentation](https://forum.convai.com/t/cartesia-ai-documentation/5217)
**Author:** [@Design](https://forum.convai.com/u/Design)\ **Replies:** 1\ **Last updated:** [September 30, 2025, 11:59am UTC](https://forum.convai.com/t/cartesia-ai-documentation/5217 "2025-09-30T11:59:24Z")
Hey! I’m trying to implement the new Cartesia AI Voices, but cannot find any documentation on it. I’m still having the lip sync issues with convai 3.6.6 and UE 5.5 and want to try if the cartesia alternative does better. … --- ## [Evaluation API questions](https://forum.convai.com/t/evaluation-api-questions/4637)
**Author:** [@InView](https://forum.convai.com/u/InView)\ **Replies:** 7\ **Last updated:** [July 24, 2025, 8:49am UTC](https://forum.convai.com/t/evaluation-api-questions/4637 "2025-07-24T08:49:50Z")
Hi all, We’re embedding Convai in a browser-based tool where multiple users will chat with the same character at the same time. We want to use the Evaluation API to give each user feedback. Support@Convai have suggested… --- ## [Issue with ElevenLabs API Key Integration in Convai](https://forum.convai.com/t/issue-with-elevenlabs-api-key-integration-in-convai/4398)
**Author:** [@artsed-software](https://forum.convai.com/u/artsed-software)\ **Replies:** 2\ **Last updated:** [July 11, 2025, 11:24am UTC](https://forum.convai.com/t/issue-with-elevenlabs-api-key-integration-in-convai/4398 "2025-07-11T11:24:06Z")
Hi all, I’m working on integrating the ElevenLabs API with Convai. When I enter the API key in Convai’s API integration section, I receive an error message saying, “The API key you entered is invalid.” According to the… --- ## [I need help on adding an API method](https://forum.convai.com/t/i-need-help-on-adding-an-api-method/4535)
**Author:** [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Replies:** 3\ **Last updated:** [July 10, 2025, 10:02am UTC](https://forum.convai.com/t/i-need-help-on-adding-an-api-method/4535 "2025-07-10T10:02:14Z")
Hi! I want to add an API method to my character so it can drag information from a Website. Can you please help me on the Input Description (JSON Format) & Implementation Code. --- ## [The character don't interpret](https://forum.convai.com/t/the-character-dont-interpret/4110)
**Author:** [@Cory\_Matthews](https://forum.convai.com/u/Cory_Matthews)\ **Replies:** 1\ **Last updated:** [June 4, 2025, 4:05am UTC](https://forum.convai.com/t/the-character-dont-interpret/4110 "2025-06-04T04:05:59Z")
anyone have idea where I can see what the avatar interprets the consumption of an external API ? Context: my avatar is connected to a functional API from its section on the portal “Test” but for some thing in the reason… --- ## [Rest API Calls No Longer Succeeding](https://forum.convai.com/t/rest-api-calls-no-longer-succeeding/3796)
**Author:** [@nathan](https://forum.convai.com/u/nathan)\ **Replies:** 6\ **Last updated:** [May 22, 2025, 11:13am UTC](https://forum.convai.com/t/rest-api-calls-no-longer-succeeding/3796 "2025-05-22T11:13:15Z")
We’re using https://api.convai.com/character/delete and https://api.convai.com/character/generate-starter-conversation. Both are returning Fail now. --- ## [Core Interaction API not returning audio data](https://forum.convai.com/t/core-interaction-api-not-returning-audio-data/3851)
**Author:** [@sirtapps](https://forum.convai.com/u/sirtapps)\ **Replies:** 6\ **Last updated:** [May 18, 2025, 4:12pm UTC](https://forum.convai.com/t/core-interaction-api-not-returning-audio-data/3851 "2025-05-18T16:12:44Z")
We have recently stopped receiving audio from the Core Interaction API using the endpoint https://api.convai.com/character/getResponse. It was previously working using the same API call and voice. We are still receiving … --- ## [Integrating ConvAI with Model Context Protocol (MCP)](https://forum.convai.com/t/integrating-convai-with-model-context-protocol-mcp/3955)
**Author:** [@emtech\_ME](https://forum.convai.com/u/emtech_ME)\ **Replies:** 1\ **Last updated:** [May 14, 2025, 11:10am UTC](https://forum.convai.com/t/integrating-convai-with-model-context-protocol-mcp/3955 "2025-05-14T11:10:30Z")
Hi all, I’m looking into whether ConvAI can be integrated with the Model Context Protocol (MCP) to improve context handling and tool use. MCP is an open-source client-server protocol for connecting AI models with extern… --- ## [How to switch language and speech at run time in unity app](https://forum.convai.com/t/how-to-switch-language-and-speech-at-run-time-in-unity-app/3864)
**Author:** [@vrushali.malankar](https://forum.convai.com/u/vrushali.malankar)\ **Replies:** 3\ **Last updated:** [May 9, 2025, 2:15pm UTC](https://forum.convai.com/t/how-to-switch-language-and-speech-at-run-time-in-unity-app/3864 "2025-05-09T14:15:32Z")
Hello I am trying to build an Ai assistant app , in which i need a feature to change language and speech of a character using setting at run time, How can i do this in unity3d App. thanks --- ## [How to use the Interaction API in Unity?](https://forum.convai.com/t/how-to-use-the-interaction-api-in-unity/3304)
**Author:** [@Ruby\_Osborn](https://forum.convai.com/u/Ruby_Osborn)\ **Replies:** 10\ **Last updated:** [May 8, 2025, 12:48pm UTC](https://forum.convai.com/t/how-to-use-the-interaction-api-in-unity/3304 "2025-05-08T12:48:38Z")
Hello, I’m trying to create a front-end for interacting with a Convai character, and I keep running into the following erros when trying to send a voice clip recording from the user: Request failed: HTTP/1.1 500 Interna… --- ## [Calling interaction API from web-based application using javascript](https://forum.convai.com/t/calling-interaction-api-from-web-based-application-using-javascript/3442)
**Author:** [@virtuallearningku](https://forum.convai.com/u/virtuallearningku)\ **Replies:** 1\ **Last updated:** [April 8, 2025, 12:01pm UTC](https://forum.convai.com/t/calling-interaction-api-from-web-based-application-using-javascript/3442 "2025-04-08T12:01:14Z")
Dear Forum and Convai Team, Apologies if the solution is something obvious; not an expert coder here (or really a developer at all…), and could not find a similar topic. The background: Perhaps not the exact intended … --- ## [Handsfree conversation capability](https://forum.convai.com/t/handsfree-conversation-capability/3512)
**Author:** [@P1](https://forum.convai.com/u/P1)\ **Replies:** 1\ **Last updated:** [April 6, 2025, 6:18pm UTC](https://forum.convai.com/t/handsfree-conversation-capability/3512 "2025-04-06T18:18:58Z")
Hello, During my recent call with Jeff Holmes, I was told that the team is working on handsfree conversation capabilities which is expected to launch soon. Would you kindly share the expected release timeline for such ab… --- ## [API Not answering](https://forum.convai.com/t/api-not-answering/3436)
**Author:** [@Icdcb](https://forum.convai.com/u/Icdcb)\ **Replies:** 1\ **Last updated:** [March 31, 2025, 7:20pm UTC](https://forum.convai.com/t/api-not-answering/3436 "2025-03-31T19:20:59Z")
Hello, we have a problem with the character number de5b5f9a-e2df-11ee-9ad5-42010a7be009, it does not answer any questions, can you help us with this? Thank you! --- ## [Vision ability API](https://forum.convai.com/t/vision-ability-api/3359)
**Author:** [@user3](https://forum.convai.com/u/user3)\ **Replies:** 1\ **Last updated:** [March 24, 2025, 9:28am UTC](https://forum.convai.com/t/vision-ability-api/3359 "2025-03-24T09:28:22Z")
I would like to know if you can share a demo of this feature because we want to see how spatially/visually intelligent the character is and then decide whether to upgrade our plan. Also how this feature can be realiz… --- ## [Action API Response Error](https://forum.convai.com/t/action-api-response-error/3048)
**Author:** [@manuel](https://forum.convai.com/u/manuel)\ **Replies:** 10\ **Last updated:** [March 10, 2025, 5:17pm UTC](https://forum.convai.com/t/action-api-response-error/3048 "2025-03-10T17:17:58Z")
Hello! I’m trying to recreate the example provided in the Action API documentation page (Action API | Convai Documentation) but I keep getting this error as a response from the API: “Get Response Failed An unexpected e… --- ## [Integrating Convai/MetaHuman with APIs](https://forum.convai.com/t/integrating-convai-metahuman-with-apis/3163)
**Author:** [@Cory\_Matthews](https://forum.convai.com/u/Cory_Matthews)\ **Replies:** 1\ **Last updated:** [March 5, 2025, 2:32pm UTC](https://forum.convai.com/t/integrating-convai-metahuman-with-apis/3163 "2025-03-05T14:32:54Z")
Is it possible to connect Convai/MetaHuman to an API, such as the Google Calendar API? --- ## [Meta Store Submission: complying with Developer Data Use Policy 6.2](https://forum.convai.com/t/meta-store-submission-complying-with-developer-data-use-policy-6-2/2908)
**Author:** [@agilelens](https://forum.convai.com/u/agilelens)\ **Replies:** 1\ **Last updated:** [February 12, 2025, 9:13pm UTC](https://forum.convai.com/t/meta-store-submission-complying-with-developer-data-use-policy-6-2/2908 "2025-02-12T21:13:23Z")
When submitting an app to the Meta Quest Horizon store, the app was flagged as violating “Developer Data Use Policy 6.2.” (Data Deletion: You must delete User Data, and ensure your Service Provider(s) and your Service P… --- ## [Voice Type Inconsistency: Female Voices Being Assigned Male Gender in Character Creation API](https://forum.convai.com/t/voice-type-inconsistency-female-voices-being-assigned-male-gender-in-character-creation-api/2879)
**Author:** [@Michael\_Cutajar](https://forum.convai.com/u/Michael_Cutajar)\ **Replies:** 1\ **Last updated:** [February 10, 2025, 8:04pm UTC](https://forum.convai.com/t/voice-type-inconsistency-female-voices-being-assigned-male-gender-in-character-creation-api/2879 "2025-02-10T20:04:26Z")
We are encountering an issue with the Convai API where characters are automatically assigned as male, even when a female voice is explicitly selected. For example, when creating a character with a female voice such as “A… --- ## [Connect Convai with Video Avatar like Synthesia or HeyGen](https://forum.convai.com/t/connect-convai-with-video-avatar-like-synthesia-or-heygen/2831)
**Author:** [@Meijestic](https://forum.convai.com/u/Meijestic)\ **Replies:** 1\ **Last updated:** [February 5, 2025, 12:56pm UTC](https://forum.convai.com/t/connect-convai-with-video-avatar-like-synthesia-or-heygen/2831 "2025-02-05T12:56:55Z")
Is there a way to connect the Convai API to a video avatar service like HeyGen or Synthesia? thanks --- ## [What ports need to be open](https://forum.convai.com/t/what-ports-need-to-be-open/2783)
**Author:** [@jwt2025](https://forum.convai.com/u/jwt2025)\ **Replies:** 3\ **Last updated:** [February 5, 2025, 9:55am UTC](https://forum.convai.com/t/what-ports-need-to-be-open/2783 "2025-02-05T09:55:41Z")
hello again. Can you point me to a list of the ports that must be open for convai to operate? I’m going to be taking an app to a conference and want to make sure that I request the correct settings from the IT crew the… --- ## [Suggested Prompt Access](https://forum.convai.com/t/suggested-prompt-access/2432)
**Author:** [@nathan](https://forum.convai.com/u/nathan)\ **Replies:** 2\ **Last updated:** [January 14, 2025, 4:14pm UTC](https://forum.convai.com/t/suggested-prompt-access/2432 "2025-01-14T16:14:17Z")
Is there a way to access the suggested prompts through API or Unreal plugin?