For the complete documentation index, see llms.txt.

CSS Box Shadow Generator API

webmaster 1 credit / call v2026-04-22

Generate a CSS box-shadow declaration from numeric shadow controls.

One POST adds CSS Box Shadow Generator to your app, site, workflow, or agent — formula, validation, edge cases, and docs already handled.

prefer a UI? open CSS Box Shadow Generator on miniwebtool.com →

Start free — get a key → 1,000 credits · no card · 30 seconds

Endpoint

POST · 1cr
POST https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run

Request body

Field Type Req.
offset_x float
offset_y float
blur_radius float
spread_radius float
color str
opacity float
inset bool
precision int

Cost & access

  • 1 credit per successful call — failed calls refund.
  • Starts on: Free.
  • Max payload: 65536 bytes.
  • Privacy mode: hash_only
  • Available on: free, starter, pro, business, scale

Response envelope

{
  "request_id": "01K...",
  "tool": "css-box-shadow-generator",
  "tool_version": "2026-04-22",
  "credits_used": 1,
  "result": { ... }
}

Try it

Stored only in this browser tab. Playground test key is prefilled and only works on this page. Get a live key →

Code examples

curl -X POST https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"offset_x":0,"offset_y":4,"blur_radius":12,"spread_radius":0,"color":"#000000","opacity":0.25,"inset":false,"precision":2}'
import requests

resp = requests.post(
    'https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run',
    headers={'Authorization': 'Bearer mwt_live_YOUR_KEY'},
    json={'offset_x': 0, 'offset_y': 4, 'blur_radius': 12, 'spread_radius': 0, 'color': '#000000', 'opacity': 0.25, 'inset': False, 'precision': 2},
)
resp.raise_for_status()
print(resp.json())
const resp = await fetch(
  'https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer mwt_live_YOUR_KEY',
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({"offset_x":0,"offset_y":4,"blur_radius":12,"spread_radius":0,"color":"#000000","opacity":0.25,"inset":false,"precision":2}),
  }
);
const data = await resp.json();
console.log(data);
<?php
$ch = curl_init('https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer mwt_live_YOUR_KEY',
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode([
    'offset_x' => 0,
    'offset_y' => 4,
    'blur_radius' => 12,
    'spread_radius' => 0,
    'color' => '#000000',
    'opacity' => 0.25,
    'inset' => false,
    'precision' => 2
]),
]);
$resp = curl_exec($ch);
curl_close($ch);
print_r(json_decode($resp, true));
require 'net/http'
require 'json'
require 'uri'

uri = URI('https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = (uri.scheme == 'https')

req = Net::HTTP::Post.new(uri)
req['Authorization'] = 'Bearer mwt_live_YOUR_KEY'
req['Content-Type'] = 'application/json'
req.body = {
  'offset_x' => 0,
  'offset_y' => 4,
  'blur_radius' => 12,
  'spread_radius' => 0,
  'color' => '#000000',
  'opacity' => 0.25,
  'inset' => false,
  'precision' => 2
}.to_json

resp = http.request(req)
puts JSON.parse(resp.body).inspect
package main

import (
  "bytes"
  "encoding/json"
  "fmt"
  "io"
  "net/http"
)

func main() {
  body, _ := json.Marshal(map[string]interface{}{
    "offset_x": 0,
    "offset_y": 4,
    "blur_radius": 12,
    "spread_radius": 0,
    "color": "#000000",
    "opacity": 0.25,
    "inset": false,
    "precision": 2,
  })
  req, _ := http.NewRequest("POST", "https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run", bytes.NewReader(body))
  req.Header.Set("Authorization", "Bearer mwt_live_YOUR_KEY")
  req.Header.Set("Content-Type", "application/json")

  resp, err := http.DefaultClient.Do(req)
  if err != nil { panic(err) }
  defer resp.Body.Close()
  out, _ := io.ReadAll(resp.Body)
  fmt.Println(string(out))
}
import java.net.URI;
import java.net.http.*;

var client = HttpClient.newHttpClient();
var req = HttpRequest.newBuilder()
    .uri(URI.create("https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run"))
    .header("Authorization", "Bearer mwt_live_YOUR_KEY")
    .header("Content-Type", "application/json")
    .POST(HttpRequest.BodyPublishers.ofString("{\"offset_x\":0,\"offset_y\":4,\"blur_radius\":12,\"spread_radius\":0,\"color\":\"#000000\",\"opacity\":0.25,\"inset\":false,\"precision\":2}"))
    .build();

var resp = client.send(req, HttpResponse.BodyHandlers.ofString());
System.out.println(resp.body());
how-to call css-box-shadow-generator
  1. Get an API key
    Get an API key. Sign up free for a bearer token. 1,000 credits/month, no card.
  2. Assemble the JSON body
    Required fields: . See the Request body table above for the full schema.
  3. POST to https://api.miniwebtool.com/v1/tools/css-box-shadow-generator/run
    Headers: Authorization: Bearer <key> and Content-Type: application/json. Copy-paste snippets in 7 languages are under Code examples.
  4. Parse the response
    Envelope: {request_id, tool, tool_version, credits_used, result}. The typed output lives in result.
faq frequently asked
What does the CSS Box Shadow Generator API do?+

Generate a CSS box-shadow declaration from numeric shadow controls. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

How much does one call to CSS Box Shadow Generator cost?+

1 credit per successful call. Failed calls (validation errors, 5xx) don't bill.

What parameters does the CSS Box Shadow Generator API require?+

Required fields: (none). Full schema at /v1/openapi.json.

Is the CSS Box Shadow Generator API deterministic?+

Yes — same input, same output, forever. Tool version 2026-04-22; output shape is stable within a major version.

Can an AI agent call the CSS Box Shadow Generator API?+

Yes. Connect to https://api.miniwebtool.com/v1/mcp over the Model Context Protocol. The agent discovers `css-box-shadow-generator` with its JSON Schema automatically, so the model can plan while MiniWebtool handles the exact tool result.

What format does the API return?+

JSON with a stable envelope: `{request_id, tool, tool_version, credits_used, result}`. Errors are RFC 7807 `application/problem+json`.

mcp use from an AI agent

Every endpoint on this site is also exposed via the Model Context Protocol at https://api.miniwebtool.com/v1/mcp. Claude, Cursor, and any MCP-capable agent can discover this tool (css-box-shadow-generator) and its JSON Schema automatically — no client codegen.

# List tools the agent can call
curl -s https://api.miniwebtool.com/v1/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' \
 | jq '.result.tools[] | select(.name=="css-box-shadow-generator")'
see-also related webmaster tools