wf_httpbin_form_postv1httpbin.orgeasy
Submit the HTTPBin form and return the echoed submission payload
timeout 300s • started Aug 19, 3:41 PM
Cohort status
completed
Attempts
1
Pass rate
100.0%
Live attempts
0
Cohort verdicts
TinyFishpassed
Task prompt
Collapsed preview. Expand for the full prompt.
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Benchmark case: Submit the HTTPBin form and return the echoed submission payload Goal: Open the form at https://httpbin.org/forms/post, fill it with the provided input data, submit it, and return the echoed submitted_form object. Preferred start URL: https://httpbin.org/forms/post Input guidance: Use these exact values when filling the form. Structured input data: { "comments": "Leave at reception", "custemail": "ada@example.com", "custname": "Ada Lovelace", "custtel": "+1-415-555-0136", "delivery": "19:45", "size": "medium", "topping": "bacon" } Return a final JSON object matching this schema: { "type": "object", "required": [ "submitted_form" ], "properties": { "submission_url": { "type": "string", "format": "uri", "optional": true }, "submitted_form": { "type": "object", "required": [ "custname", "custtel", "custemail", "size", "topping", "delivery", "comments" ], "properties": { "comments": { "type": "string" }, "custemail": { "type": "string" }, "custname": { "type": "string" }, "custtel": { "type": "string" }, "delivery": { "type": "string" }, "size": { "type": "string" }, "topping": { "type": "string" } } } } } Work the website directly. Prefer exact values over paraphrases. Return only the final structured answer when done.
Benchmark case: Submit the HTTPBin form and return the echoed submission payload

Goal: Open the form at https://httpbin.org/forms/post, fill it with the provided input data, submit it, and return the echoed submitted_form object.

Preferred start URL: https://httpbin.org/forms/post

Input guidance: Use these exact values when filling the form.

Structured input data:
{
  "comments": "Leave at reception",
  "custemail": "ada@example.com",
  "custname": "Ada Lovelace",
  "custtel": "+1-415-555-0136",
  "delivery": "19:45",
  "size": "medium",
  "topping": "bacon"
}

Return a final JSON object matching this schema:
{
  "type": "object",
  "required": [
    "submitted_form"
  ],
  "properties": {
    "submission_url": {
      "type": "string",
      "format": "uri",
      "optional": true
    },
    "submitted_form": {
      "type": "object",
      "required": [
        "custname",
        "custtel",
        "custemail",
        "size",
        "topping",
        "delivery",
        "comments"
      ],
      "properties": {
        "comments": {
          "type": "string"
        },
        "custemail": {
          "type": "string"
        },
        "custname": {
          "type": "string"
        },
        "custtel": {
          "type": "string"
        },
        "delivery": {
          "type": "string"
        },
        "size": {
          "type": "string"
        },
        "topping": {
          "type": "string"
        }
      }
    }
  }
}

Work the website directly. Prefer exact values over paraphrases. Return only the final structured answer when done.
Benchmark contract
Frozen case metadata for this cohort
This is the versioned case payload the arena executed and later submitted to tinyeval.
Case ID
wf_httpbin_form_post
Version
1
Domain
httpbin.org
Difficulty
easy
Timeout
300s
Entrypoint
https://httpbin.org/forms/post
Structured input data
{
  "comments": "Leave at reception",
  "custemail": "ada@example.com",
  "custname": "Ada Lovelace",
  "custtel": "+1-415-555-0136",
  "delivery": "19:45",
  "size": "medium",
  "topping": "bacon"
}
Output schema
{
  "type": "object",
  "required": [
    "submitted_form"
  ],
  "properties": {
    "submission_url": {
      "type": "string",
      "format": "uri",
      "optional": true
    },
    "submitted_form": {
      "type": "object",
      "required": [
        "custname",
        "custtel",
        "custemail",
        "size",
        "topping",
        "delivery",
        "comments"
      ],
      "properties": {
        "comments": {
          "type": "string"
        },
        "custemail": {
          "type": "string"
        },
        "custname": {
          "type": "string"
        },
        "custtel": {
          "type": "string"
        },
        "delivery": {
          "type": "string"
        },
        "size": {
          "type": "string"
        },
        "topping": {
          "type": "string"
        }
      }
    }
  }
}
TinyFish
Eval status: passed
completed
Success
100.0%
Latency
68.31s
Cost
$0.00
Tokens
32,130
Steps
5
Current URL
https://httpbin.org/forms/post
Submitted output
Exact structured payload submitted to tinyeval for scoring.
Expand
{
  "submission_url": "https://httpbin.org/post",
  "submitted_form": {
    "comments": "Leave at reception",
    "custemail": "ada@example.com",
    "custname": "Ada Lovelace",
    "custtel": "+1-415-555-0136",
    "delivery": "19:45",
    "size": "medium",
    "topping": "bacon"
  }
}
Output
{"submission_url": "https://httpbin.org/post", "submitted_form": {"comments": "Leave at reception", "custemail": "ada@example.com", "custname": "Ada Lovelace", "custtel": "+1-415-555-0136", "delivery": "19:45", "size": "medium", "topping": "bacon"}}
Live viewer
Viewer URL retained for this attempt. Availability depends on the underlying provider session.
Open viewer
Agent steps
9 logged steps. Expand for the full timeline.
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1. set_value
Aug 19, 3:41 PM
Fill text fields and delivery time
https://httpbin.org/forms/post
1. set_value
Aug 19, 3:41 PM
page_map: 690 chars
https://httpbin.org/forms/post
2. click
Aug 19, 3:41 PM
Select pizza size medium
https://httpbin.org/forms/post
2. click
Aug 19, 3:42 PM
page_map: 495 chars
https://httpbin.org/forms/post
3. click
Aug 19, 3:42 PM
Select bacon topping
https://httpbin.org/forms/post
3. click
Aug 19, 3:42 PM
page_map: 505 chars
https://httpbin.org/forms/post
4. click
Aug 19, 3:42 PM
Submit the order form
https://httpbin.org/forms/post
4. click
Aug 19, 3:42 PM
page_map: 1681 chars
https://httpbin.org/forms/post
5. end
Aug 19, 3:42 PM
{"error":"none","notes":"Form successfully submitted and echoed payload extracted from the JSON response on the /post page.","result":"{\"submission_url\": \"https://httpbin.org...
https://httpbin.org/forms/post
Evaluation
Passed all required checks
Final output matched the expected result.
passed
Failure reason
--
Failed checkpoint
--
Checkpoint summary
0 passed • 0 failed
Evaluated
Aug 19, 3:42 PM
Raw evaluation payload
{
  "submit": {
    "eval_id": "run_43058b27459f81f9",
    "run_id": "run_43058b27459f81f9",
    "status": "success",
    "note": "Final output matched the expected result."
  },
  "detail": {
    "eval": {
      "run_id": "run_43058b27459f81f9",
      "case_id": "wf_httpbin_form_post",
      "case_version": 1,
      "status": "passed",
      "agent_name": "TinyFish",
      "last_evaluation": {
        "event_id": "evt_37b4426ad74324d3",
        "status": "passed",
        "note": "Final output matched the expected result.",
        "evaluated_at": "2026-08-19T15:42:28.743481198Z"
      },
      "created_at": "2026-08-19T15:42:25.168362924Z",
      "updated_at": "2026-08-19T15:42:28.743482436Z",
      "completed_at": "2026-08-19T15:42:28.743482436Z"
    },
    "run": {
      "run_id": "run_43058b27459f81f9",
      "case_id": "wf_httpbin_form_post",
      "case_version": 1,
      "status": "passed",
      "agent_name": "TinyFish",
      "last_evaluation": {
        "event_id": "evt_37b4426ad74324d3",
        "status": "passed",
        "note": "Final output matched the expected result.",
        "evaluated_at": "2026-08-19T15:42:28.743481198Z"
      },
      "created_at": "2026-08-19T15:42:25.168362924Z",
      "updated_at": "2026-08-19T15:42:28.743482436Z",
      "completed_at": "2026-08-19T15:42:28.743482436Z"
    },
    "case": {
      "case_id": "wf_httpbin_form_post",
      "version": 1,
      "status": "active",
      "created_at": "2026-04-09T00:00:00Z",
      "updated_at": "2026-04-09T00:00:00Z",
      "title": "Submit the HTTPBin form and return the echoed submission payload",
      "task_description": "Open the form at https://httpbin.org/forms/post, fill it with the provided input data, submit it, and return the echoed submitted_form object.",
      "domains": [
        "httpbin.org"
      ],
      "tags": [
        "forms",
        "httpbin",
        "submission",
        "echo"
      ],
      "difficulty": "easy",
      "locale": "en-US",
      "input_spec": {
        "description": "Use these exact values when filling the form.",
        "schema": {
          "type": "object",
          "required": [
            "custname",
            "custtel",
            "custemail",
            "size",
            "topping",
            "delivery",
            "comments"
          ],
          "properties": {
            "comments": {
              "type": "string"
            },
            "custemail": {
              "type": "string"
            },
            "custname": {
              "type": "string"
            },
            "custtel": {
              "type": "string"
            },
            "delivery": {
              "type": "string"
            },
            "size": {
              "type": "string"
            },
            "topping": {
              "type": "string"
            }
          }
        },
        "data": {
          "comments": "Leave at reception",
          "custemail": "ada@example.com",
          "custname": "Ada Lovelace",
          "custtel": "+1-415-555-0136",
          "delivery": "19:45",
          "size": "medium",
          "topping": "bacon"
        }
      },
      "output_schema": {
        "type": "object",
        "required": [
          "submitted_form"
        ],
        "properties": {
          "submission_url": {
            "type": "string",
            "format": "uri",
            "optional": true
          },
          "submitted_form": {
            "type": "object",
            "required": [
              "custname",
              "custtel",
              "custemail",
              "size",
              "topping",
              "delivery",
              "comments"
            ],
            "properties": {
              "comments": {
                "type": "string"
              },
              "custemail": {
                "type": "string"
              },
              "custname": {
                "type": "string"
              },
              "custtel": {
                "type": "string"
              },
              "delivery": {
                "type": "string"
              },
              "size": {
                "type": "string"
              },
              "topping": {
                "type": "string"
              }
            }
          }
        }
      },
      "entrypoint": {
        "mode": "url",
        "url": "https://httpbin.org/forms/post"
      },
      "run_policy": {
        "timeout_seconds": 300
      }
    },
    "events": [
      {
        "event_id": "evt_37b4426ad74324d3",
        "run_id": "run_43058b27459f81f9",
        "event_type": "final",
        "payload": {
          "event_type": "final",
          "timestamp": "2026-08-19T15:42:25.172086464Z",
          "page_state": {},
          "intermediate_data": {
            "raw_submission": {
              "submission_url": "https://httpbin.org/post",
              "submitted_form": {
                "comments": "Leave at reception",
                "custemail": "ada@example.com",
                "custname": "Ada Lovelace",
                "custtel": "+1-415-555-0136",
                "delivery": "19:45",
                "size": "medium",
                "topping": "bacon"
              }
            }
          },
          "final_output": {
            "submission_url": "https://httpbin.org/post",
            "submitted_form": {
              "comments": "Leave at reception",
              "custemail": "ada@example.com",
              "custname": "Ada Lovelace",
              "custtel": "+1-415-555-0136",
              "delivery": "19:45",
              "size": "medium",
              "topping": "bacon"
            }
          },
          "artifacts": {},
          "agent": {}
        },
        "created_at": "2026-08-19T15:42:25.172347362Z"
      }
    ],
    "timeout_seconds": 300,
    "deadline_at": "2026-08-19T15:47:25.168362924Z"
  }
}
Provider terminal payload
Raw terminal result retained from the provider adapter.
Expand
{
  "answer": "{\"submission_url\": \"https://httpbin.org/post\", \"submitted_form\": {\"comments\": \"Leave at reception\", \"custemail\": \"ada@example.com\", \"custname\": \"Ada Lovelace\", \"custtel\": \"+1-415-555-0136\", \"delivery\": \"19:45\", \"size\": \"medium\", \"topping\": \"bacon\"}}",
  "cachedInputTokens": 3736,
  "data": {
    "error": "none",
    "notes": "Form successfully submitted and echoed payload extracted from the JSON response on the /post page.",
    "result": "{\"submission_url\": \"https://httpbin.org/post\", \"submitted_form\": {\"comments\": \"Leave at reception\", \"custemail\": \"ada@example.com\", \"custname\": \"Ada Lovelace\", \"custtel\": \"+1-415-555-0136\", \"delivery\": \"19:45\", \"size\": \"medium\", \"topping\": \"bacon\"}}",
    "success": true
  },
  "durationMs": 68306,
  "error": "none",
  "inputTokens": 31645,
  "llmDurationMs": 11618,
  "llmErrorDurationMs": 22085,
  "model": "gemini-3-flash-preview",
  "notes": "Form successfully submitted and echoed payload extracted from the JSON response on the /post page.",
  "outputTokens": 485,
  "recordingId": "",
  "result": "{\"submission_url\": \"https://httpbin.org/post\", \"submitted_form\": {\"comments\": \"Leave at reception\", \"custemail\": \"ada@example.com\", \"custname\": \"Ada Lovelace\", \"custtel\": \"+1-415-555-0136\", \"delivery\": \"19:45\", \"size\": \"medium\", \"topping\": \"bacon\"}}",
  "success": true,
  "thinkingTokens": 0,
  "totalSteps": 5,
  "totalTokens": 32130,
  "type": "done"
}