{
  "title": "Title case",
  "human_url": "https://happytails.ai/en/api/tools/title-case/",
  "agent_url": "https://happytails.ai/agents/en/api/tools/title-case/",
  "language": "en",
  "markdown_url": "https://happytails.ai/en/api/tools/title-case.md",
  "content": "API reference\nTitle case\nCapitalize the first letter of every word.\nPOST\n/api/v1/tools/title-case/run\nBase URL: https://happytails.ai\n· public API not connected\nOverview\nCapitalize the first letter of every word.\nAll API requests process supplied data on the server.\nRequest parameters\nSend a JSON object. Unknown properties are rejected. Omitted options use the defaults below; enter numbers and booleans as JSON values, not quoted text.\ninput\nis a string, empty by default, up to 1,000,000 characters. Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.\nThis endpoint does not accept a\nfiles\narray.\nOptions\nNo options are needed. Omit\noptions\nor send an empty object.\nSuccess response\nHTTP 200 returns\ntool\nand\nresult\n. Text is in\nresult.text\n; parsed JSON may also appear in\nresult.data\n. Generated files are in\nresult.files\nwith\nname\n,\nmime\n,\nbytes\nand\nbase64\n. Decode the bytes before saving. Empty file arrays and null text are valid for operations returning another result type.\nComplete output schema\n{\n\"type\": \"object\",\n\"required\": [\n\"tool\",\n\"result\"\n],\n\"properties\": {\n\"tool\": {\n\"type\": \"string\"\n},\n\"result\": {\n\"type\": \"object\",\n\"required\": [\n\"text\",\n\"files\"\n],\n\"properties\": {\n\"text\": {\n\"type\": [\n\"string\",\n\"null\"\n]\n},\n\"data\": {\n\"description\": \"Parsed JSON when the textual result is JSON.\"\n},\n\"name\": {\n\"type\": \"string\"\n},\n\"mime\": {\n\"type\": \"string\"\n},\n\"files\": {\n\"type\": \"array\",\n\"items\": {\n\"type\": \"object\",\n\"required\": [\n\"name\",\n\"mime\",\n\"bytes\",\n\"base64\"\n],\n\"properties\": {\n\"name\": {\n\"type\": \"string\"\n},\n\"mime\": {\n\"type\": \"string\"\n},\n\"bytes\": {\n\"type\": \"integer\"\n},\n\"base64\": {\n\"type\": \"string\",\n\"contentEncoding\": \"base64\"\n}\n}\n}\n}\n}\n}\n}\n}\nLimits and failures\nLimits below are enforced by this endpoint. Additional format, page, duration and model limits in the behavior notes also apply. Browser UI limits can differ from API limits.\nrequest_bytes\n8388608\ninput_characters\n1000000\nfiles_bytes\n5242880\nmax_files\n0\ntimeout_seconds\n12\nInvalid requests return an\nerror\nobject with\ncode\nand\nmessage\n. Read\nHTTP statuses, retries, timeouts and concurrency\n. Execution is synchronous and results are returned in the response.\nComplete request schema\nExpand the JSON schema\n{\n\"type\": \"object\",\n\"additionalProperties\": false,\n\"properties\": {\n\"input\": {\n\"type\": \"string\",\n\"maxLength\": 1000000,\n\"default\": \"\",\n\"description\": \"Plain text input. File tools use files instead unless otherwise documented.\"\n},\n\"options\": {\n\"type\": \"object\",\n\"additionalProperties\": false,\n\"properties\": {}\n}\n}\n}\nFor browser automation, use the central\nWebMCP guidance\nand discover the tools actually exposed by the browser.\nRequest example\ncURL\ncurl https://happytails.ai/api/v1/tools/title-case/run \\\n-H \"Content-Type: application/json\" \\\n--data '{\"input\": \"hello WORLD\", \"options\": {}}'\nJavaScript\nconst payload = {\n\"input\": \"hello WORLD\",\n\"options\": {}\n};\nconst response = await fetch(\n\"https://happytails.ai/api/v1/tools/title-case/run\",\n{\nmethod: \"POST\",\nheaders: { \"Content-Type\": \"application/json\" },\nbody: JSON.stringify(payload)\n}\n);\nconst data = await response.json();\nif (!response.ok) throw new Error(data.error.message);\nconsole.log(data.result);\nPython\nimport json\nfrom urllib.request import Request, urlopen\npayload = json.loads('{\"input\": \"hello WORLD\", \"options\": {}}')\nrequest = Request(\n\"https://happytails.ai/api/v1/tools/title-case/run\",\ndata=json.dumps(payload).encode(),\nheaders={\"Content-Type\": \"application/json\"},\n)\nwith urlopen(request, timeout=200) as response:\nresult = json.load(response)\nprint(result)\nJSON\n{\n\"input\": \"hello WORLD\",\n\"options\": {}\n}\nReplace the API origin and input values for your application.\n200 OK · saved example\nJSON\n{\n\"tool\": \"title-case\",\n\"result\": {\n\"text\": \"Hello World\",\n\"files\": [],\n\"name\": \"result.txt\",\n\"mime\": \"text/plain;charset=utf-8\"\n}\n}\n400 Bad Request\nJSON\n{\n\"error\": {\n\"code\": \"INVALID_INPUT\",\n\"message\": \"Unknown request property. See the tool input schema.\"\n}\n}",
  "content_format": "text/plain",
  "visibility": "public",
  "links": [
    {
      "name": "HTTP statuses, retries, timeouts and concurrency",
      "url": "https://happytails.ai/en/api/#limits"
    },
    {
      "name": "WebMCP guidance",
      "url": "https://happytails.ai/en/api/#browser-agents"
    }
  ],
  "markdown": "# Title case\n\n- Human page: https://happytails.ai/en/api/tools/title-case/\n- Markdown: https://happytails.ai/en/api/tools/title-case.md\n- Structured JSON: https://happytails.ai/agents/en/api/tools/title-case/index.json\n- Visibility: public\n\n## Page guide\n\nAPI reference\n\nCapitalize the first letter of every word.\n\nPOST\n\n/api/v1/tools/title-case/run\n\nBase URL: https://happytails.ai · public API not connected\n\n## Overview\n\nCapitalize the first letter of every word.\n\nAll API requests process supplied data on the server.\n\n## Request parameters\n\nSend a JSON object. Unknown properties are rejected. Omitted options use the defaults below; enter numbers and booleans as JSON values, not quoted text.\n\n`input` is a string, empty by default, up to 1,000,000 characters. Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.\n\nThis endpoint does not accept a `files` array.\n\n### Options\n\nNo options are needed. Omit `options` or send an empty object.\n\n## Success response\n\nHTTP 200 returns `tool` and `result`. Text is in `result.text`; parsed JSON may also appear in `result.data`. Generated files are in `result.files` with `name`, `mime`, `bytes` and `base64`. Decode the bytes before saving. Empty file arrays and null text are valid for operations returning another result type.\n\n### Complete output schema\n\n```json\n{\n  \"type\": \"object\",\n  \"required\": [\n    \"tool\",\n    \"result\"\n  ],\n  \"properties\": {\n    \"tool\": {\n      \"type\": \"string\"\n    },\n    \"result\": {\n      \"type\": \"object\",\n      \"required\": [\n        \"text\",\n        \"files\"\n      ],\n      \"properties\": {\n        \"text\": {\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        },\n        \"data\": {\n          \"description\": \"Parsed JSON when the textual result is JSON.\"\n        },\n        \"name\": {\n          \"type\": \"string\"\n        },\n        \"mime\": {\n          \"type\": \"string\"\n        },\n        \"files\": {\n          \"type\": \"array\",\n          \"items\": {\n            \"type\": \"object\",\n            \"required\": [\n              \"name\",\n              \"mime\",\n              \"bytes\",\n              \"base64\"\n            ],\n            \"properties\": {\n              \"name\": {\n                \"type\": \"string\"\n              },\n              \"mime\": {\n                \"type\": \"string\"\n              },\n              \"bytes\": {\n                \"type\": \"integer\"\n              },\n              \"base64\": {\n                \"type\": \"string\",\n                \"contentEncoding\": \"base64\"\n              }\n            }\n          }\n        }\n      }\n    }\n  }\n}\n```\n\n## Limits and failures\n\nLimits below are enforced by this endpoint. Additional format, page, duration and model limits in the behavior notes also apply. Browser UI limits can differ from API limits.\n\n| Field | Value |\n| --- | --- |\n| `request_bytes` | 8388608 |\n| `input_characters` | 1000000 |\n| `files_bytes` | 5242880 |\n| `max_files` | 0 |\n| `timeout_seconds` | 12 |\n\nInvalid requests return an `error` object with `code` and `message`. Read [HTTP statuses, retries, timeouts and concurrency](https://happytails.ai/en/api/#limits). Execution is synchronous and results are returned in the response.\n\n## Complete request schema\n\n### Expand the JSON schema\n\n```json\n{\n  \"type\": \"object\",\n  \"additionalProperties\": false,\n  \"properties\": {\n    \"input\": {\n      \"type\": \"string\",\n      \"maxLength\": 1000000,\n      \"default\": \"\",\n      \"description\": \"Plain text input. File tools use files instead unless otherwise documented.\"\n    },\n    \"options\": {\n      \"type\": \"object\",\n      \"additionalProperties\": false,\n      \"properties\": {}\n    }\n  }\n}\n```\n\nFor browser automation, use the central [WebMCP guidance](https://happytails.ai/en/api/#browser-agents) and discover the tools actually exposed by the browser.\n\nRequest example\n\n### cURL\n\n```bash\ncurl https://happytails.ai/api/v1/tools/title-case/run \\\n  -H \"Content-Type: application/json\" \\\n  --data '{\"input\": \"hello WORLD\", \"options\": {}}'\n```\n\n### JavaScript\n\n```javascript\nconst payload = {\n  \"input\": \"hello WORLD\",\n  \"options\": {}\n};\n\nconst response = await fetch(\n  \"https://happytails.ai/api/v1/tools/title-case/run\",\n  {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\" },\n    body: JSON.stringify(payload)\n  }\n);\nconst data = await response.json();\nif (!response.ok) throw new Error(data.error.message);\nconsole.log(data.result);\n```\n\n### Python\n\n```python\nimport json\nfrom urllib.request import Request, urlopen\n\npayload = json.loads('{\"input\": \"hello WORLD\", \"options\": {}}')\n\nrequest = Request(\n    \"https://happytails.ai/api/v1/tools/title-case/run\",\n    data=json.dumps(payload).encode(),\n    headers={\"Content-Type\": \"application/json\"},\n)\nwith urlopen(request, timeout=200) as response:\n    result = json.load(response)\n    print(result)\n```\n\n### JSON\n\n```json\n{\n  \"input\": \"hello WORLD\",\n  \"options\": {}\n}\n```\n\nReplace the API origin and input values for your application.\n\n200 OK · saved example\n\n### JSON\n\n```json\n{\n  \"tool\": \"title-case\",\n  \"result\": {\n    \"text\": \"Hello World\",\n    \"files\": [],\n    \"name\": \"result.txt\",\n    \"mime\": \"text/plain;charset=utf-8\"\n  }\n}\n```\n\n400 Bad Request\n\n### JSON\n\n```json\n{\n  \"error\": {\n    \"code\": \"INVALID_INPUT\",\n    \"message\": \"Unknown request property. See the tool input schema.\"\n  }\n}\n```\n"
}