api-design
FreeREST API设计模式,包括资源命名、状态码、分页、过滤、错误响应、版本控制和生产API的速率限制。
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使用 Nutrient DWS API 处理、转换、OCR、提取、脱敏、签名和填充文档。支持 PDF、DOCX、XLSX、PPTX、HTML 和图像。
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See how to installReview the instructions the agent will receive before you install.
使用 Nutrient DWS Processor API 处理文档。转换格式、提取文本和表格、对扫描文档进行 OCR 光学字符识别、脱敏个人身份信息(PII)、添加水印、进行数字签名以及填充 PDF 表单。
在 nutrient.io 获取免费 API 密钥。
export NUTRIENT_API_KEY="pdf_live_..."
所有请求均以 multipart POST 形式发送至 https://api.nutrient.io/build,并包含一个 instructions JSON 字段。
# DOCX 转 PDF
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.docx=@document.docx" \
-F 'instructions={"parts":[{"file":"document.docx"}]}' \
-o output.pdf
# PDF 转 DOCX
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"docx"}}' \
-o output.docx
# HTML 转 PDF
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "index.html=@index.html" \
-F 'instructions={"parts":[{"html":"index.html"}]}' \
-o output.pdf
支持的输入格式:PDF, DOCX, XLSX, PPTX, DOC, XLS, PPT, PPS, PPSX, ODT, RTF, HTML, JPG, PNG, TIFF, HEIC, GIF, WebP, SVG, TGA, EPS。
# 提取纯文本
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"text"}}' \
-o output.txt
# 将表格提取为 Excel
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"xlsx"}}' \
-o tables.xlsx
# OCR 转为可搜索的 PDF(支持 100 多种语言)
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "scanned.pdf=@scanned.pdf" \
-F 'instructions={"parts":[{"file":"scanned.pdf"}],"actions":[{"type":"ocr","language":"english"}]}' \
-o searchable.pdf
语言:支持 100 多种语言,通过 ISO 639-2 代码指定(例如 eng, deu, fra, spa, jpn, kor, chi_sim, chi_tra, ara, hin, rus)。也可以使用完整的语言名称,如 english 或 german。请参阅完整的 OCR 语言对照表以获取所有支持的代码。
# 基于模式(SSN, 电子邮件)
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"redaction","strategy":"preset","strategyOptions":{"preset":"social-security-number"}},{"type":"redaction","strategy":"preset","strategyOptions":{"preset":"email-address"}}]}' \
-o redacted.pdf
# 基于正则表达式
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"redaction","strategy":"regex","strategyOptions":{"regex":"\\b[A-Z]{2}\\d{6}\\b"}}]}' \
-o redacted.pdf
预设(Presets):social-security-number, email-address, credit-card-number, international-phone-number, north-american-phone-number, date, time, url, ipv4, ipv6, mac-address, us-zip-code, vin。
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"watermark","text":"CONFIDENTIAL","fontSize":72,"opacity":0.3,"rotation":-45}]}' \
-o watermarked.pdf
# 自签名 CMS 签名
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "document.pdf=@document.pdf" \
-F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"sign","signatureType":"cms"}]}' \
-o signed.pdf
curl -X POST https://api.nutrient.io/build \
-H "Authorization: Bearer $NUTRIENT_API_KEY" \
-F "form.pdf=@form.pdf" \
-F 'instructions={"parts":[{"file":"form.pdf"}],"actions":[{"type":"fillForm","formFields":{"name":"Jane Smith","email":"jane@example.com","date":"2026-02-06"}}]}' \
-o filled.pdf
对于原生工具集成,可以使用 MCP 服务器代替 curl:
{
"mcpServers": {
"nutrient-dws": {
"command": "npx",
"args": ["-y", "@nutrient-sdk/dws-mcp-server"],
"env": {
"NUTRIENT_DWS_API_KEY": "YOUR_API_KEY",
"SANDBOX_PATH": "/path/to/working/directory"
}
}
}
}
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REST API设计模式,包括资源命名、状态码、分页、过滤、错误响应、版本控制和生产API的速率限制。
The English summary is being prepared. Showing the original description.
生产级 API 的 REST API 设计模式,包括资源命名、状态码、分页、过滤、错误响应、版本控制和速率限制。
The English summary is being prepared. Showing the original description.
编写文章、指南、博客、教程、时事通讯(Newsletter)等长内容,支持从示例或品牌指南中提取独特的语感语调。适用于需要撰写超过一个段落的精炼文本,尤其是对语气一致性、结构和可信度有较高要求时。
The English summary is being prepared. Showing the original description.
根据提供的示例或品牌指导,以独特的语气撰写文章、指南、博客帖子、教程、新闻简报等长篇内容。当用户需要超过一段的精致书面内容时使用,尤其是当语气一致性、结构和可信度至关重要时。
The English summary is being prepared. Showing the original description.
撰写文章、指南、博客、教程、时事通讯等长篇内容,并根据提供的示例或品牌指南呈现独特的语言风格。当用户需要篇幅超过一段的精炼文字,且重视风格一致性、结构和可信度时,请使用此技能。
The English summary is being prepared. Showing the original description.
编写文章、指南、博客帖子、教程、新闻通讯(newsletter)以及其他长篇内容。这些内容具有从提供的示例或品牌指南中提取出的独特语气。当用户需要比段落更长的精美文案,且对语气一致性、结构和可信度有要求时,请使用此技能(Skill)。
The English summary is being prepared. Showing the original description.