diff --git a/src/holt59/aoc/__main__.py b/src/holt59/aoc/__main__.py
index a052fb8..7fba62d 100644
--- a/src/holt59/aoc/__main__.py
+++ b/src/holt59/aoc/__main__.py
@@ -1,7 +1,9 @@
 import argparse
 import importlib
+import json
 import logging
 import sys
+from datetime import datetime
 from pathlib import Path
 
 from .base import BaseSolver
@@ -11,6 +13,7 @@ def main():
     parser = argparse.ArgumentParser("Holt59 Advent-Of-Code Runner")
     parser.add_argument("-v", "--verbose", action="store_true", help="verbose mode")
     parser.add_argument("-t", "--test", action="store_true", help="test mode")
+    parser.add_argument("-a", "--api", action="store_true", help="API mode")
     parser.add_argument(
         "-u", "--user", type=str, default="holt59", help="user input to use"
     )
@@ -33,6 +36,7 @@ def main():
     args = parser.parse_args()
 
     verbose: bool = args.verbose
+    api: bool = args.api
     test: bool = args.test
     stdin: bool = args.stdin
     user: str = args.user
@@ -54,7 +58,9 @@ def main():
         f".{year}.day{day}", __package__
     ).Solver
 
-    solver = solver_class(logging.getLogger("AOC"), verbose, year, day)
+    solver = solver_class(
+        logging.getLogger("AOC"), verbose=verbose, year=year, day=day, outputs=not api
+    )
 
     data: str
     if stdin:
@@ -63,5 +69,25 @@ def main():
         with open(input_path) as fp:
             data = fp.read()
 
+    start = datetime.now()
+    last = start
     for i_answer, answer in enumerate(solver.solve(data.strip())):
-        print(f"answer {i_answer + 1} is {answer}")
+        current = datetime.now()
+
+        if api:
+            print(
+                json.dumps(
+                    {
+                        "answer": i_answer + 1,
+                        "value": answer,
+                        "answerTime_s": (current - last).total_seconds(),
+                        "totalTime_s": (current - start).total_seconds(),
+                    }
+                )
+            )
+        else:
+            print(
+                f"answer {i_answer + 1} is {answer} (found in {(current - last).total_seconds():.2f}s)"
+            )
+
+        last = current