Build voice applications using TeXML markup language (TwiML-compatible). Manage applications, calls, conferences, recordings, queues, and streams. This skill provides Java SDK examples.
SkillScore96Maintained
Automatic
◆Coding pack
Last verified 8/27/2026
What it changes
Passed 22 of 23 test cases with the skill, and 4 of 23 without it.
Without skill17%
With skill96%
Checks it passed that the model alone missed
Handles API errors by catching TelnyxServiceException
Creates the secret using client.texml().secrets(params)
Handles service errors by catching TelnyxServiceException
and 33 more in the full report
18 fixed4 passed either way1 still failing0 broke
Pass-rate lift
+78 pp
Tokens
+482%
Agent turns
0%
Response time
-54%
Model gemini-3.6-flashMeasured 8/27/2026v322 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 18 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 18
Prompt
In Java, we need to dial a new participant into an existing TeXML conference. What is the parameter class and method invocation on client.texml().accounts().conferences().participants()?
What was checked, without and with the skill
Checked
Without skill
With skill
Constructs participant parameters using ParticipantParticipantsParams.builder()
Missed
Passed
Dials conference participant using client.texml().accounts().conferences().participants().participants(params)
Missed
Passed
case-15 · gemini-3.6-flash · 8/27/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
All examples below assume client is already initialized as shown above.
Error Handling
All API calls can fail with network errors, rate limits (429), validation errors (422),
or authentication errors (401). Always handle errors in production code:
import com.telnyx.sdk.errors.TelnyxServiceException;
try {
var result = client.messages().send(params);
} catch (TelnyxServiceException e) {