diff --git a/codeflash/api/aiservice.py b/codeflash/api/aiservice.py
index f7c5a425f..81ab84d42 100644
--- a/codeflash/api/aiservice.py
+++ b/codeflash/api/aiservice.py
@@ -11,6 +11,7 @@
 
 from codeflash.cli_cmds.console import console, logger
 from codeflash.code_utils.env_utils import get_codeflash_api_key
+from codeflash.code_utils.git_utils import get_last_commit_author_if_pr_exists, get_repo_owner_and_name
 from codeflash.models.models import OptimizedCandidate
 from codeflash.telemetry.posthog_cf import ph
 from codeflash.version import __version__ as codeflash_version
@@ -97,6 +98,12 @@ def optimize_python_code(  # noqa: D417
 
         """
         start_time = time.perf_counter()
+        try:
+            git_repo_owner, git_repo_name = get_repo_owner_and_name()
+        except Exception as e:
+            logger.warning(f"Could not determine repo owner and name: {e}")
+            git_repo_owner, git_repo_name = None, None
+
         payload = {
             "source_code": source_code,
             "dependency_code": dependency_code,
@@ -105,6 +112,9 @@ def optimize_python_code(  # noqa: D417
             "python_version": platform.python_version(),
             "experiment_metadata": experiment_metadata,
             "codeflash_version": codeflash_version,
+            "current_username": get_last_commit_author_if_pr_exists(None),
+            "repo_owner": git_repo_owner,
+            "repo_name": git_repo_name,
         }
 
         logger.info("Generating optimized candidates…")
diff --git a/codeflash/api/cfapi.py b/codeflash/api/cfapi.py
index 87c54b148..b908a57ea 100644
--- a/codeflash/api/cfapi.py
+++ b/codeflash/api/cfapi.py
@@ -224,3 +224,14 @@ def add_code_context_hash(code_context_hash: str) -> None:
             "POST",
             {"owner": owner, "repo": repo, "pr_number": pr_number, "code_hash": code_context_hash},
         )
+
+
+def mark_optimization_success(trace_id: str, *, is_optimization_found: bool) -> Response:
+    """Mark an optimization event as success or not.
+
+    :param trace_id: The unique identifier for the optimization event.
+    :param is_optimization_found: Boolean indicating whether the optimization was found.
+    :return: The response object from the API.
+    """
+    payload = {"trace_id": trace_id, "is_optimization_found": is_optimization_found}
+    return make_cfapi_request(endpoint="/mark-as-success", method="POST", payload=payload)
diff --git a/codeflash/code_utils/git_utils.py b/codeflash/code_utils/git_utils.py
index 875b261cd..78873fd28 100644
--- a/codeflash/code_utils/git_utils.py
+++ b/codeflash/code_utils/git_utils.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import os
 import shutil
 import subprocess
 import sys
@@ -176,3 +177,20 @@ def remove_git_worktrees(worktree_root: Path | None, worktrees: list[Path]) -> N
         logger.warning(f"Error removing worktrees: {e}")
     if worktree_root:
         shutil.rmtree(worktree_root)
+
+
+def get_last_commit_author_if_pr_exists(repo: Repo | None = None) -> str | None:
+    """Return the author's name of the last commit in the current branch if PR_NUMBER is set.
+
+    Otherwise, return None.
+    """
+    if "PR_NUMBER" not in os.environ:
+        return None
+    try:
+        repository: Repo = repo if repo else git.Repo(search_parent_directories=True)
+        last_commit = repository.head.commit
+    except Exception:
+        logger.exception("Failed to get last commit author.")
+        return None
+    else:
+        return last_commit.author.name
diff --git a/codeflash/optimization/function_optimizer.py b/codeflash/optimization/function_optimizer.py
index fd33b2386..f6c7661b4 100644
--- a/codeflash/optimization/function_optimizer.py
+++ b/codeflash/optimization/function_optimizer.py
@@ -19,7 +19,7 @@
 from rich.tree import Tree
 
 from codeflash.api.aiservice import AiServiceClient, LocalAiServiceClient
-from codeflash.api.cfapi import add_code_context_hash
+from codeflash.api.cfapi import add_code_context_hash, mark_optimization_success
 from codeflash.benchmarking.utils import process_benchmark_data
 from codeflash.cli_cmds.console import code_print, console, logger, progress_bar
 from codeflash.code_utils import env_utils
@@ -390,6 +390,11 @@ def optimize_function(self) -> Result[BestOptimization, str]:  # noqa: PLR0911
                             original_helper_code,
                             self.function_to_optimize.file_path,
                         )
+                else:
+                    # Mark optimization success since no PR will be created
+                    mark_optimization_success(
+                        trace_id=self.function_trace_id, is_optimization_found=best_optimization is not None
+                    )
                 self.log_successful_optimization(explanation, generated_tests, exp_type)
 
         # Add function to code context hash if in gh actions