ToolAssay

Alt text for images, for web accessibility (WCAG 1.1.1, BFSG, European Accessibi

Alt text for images, for web accessibility (WCAG 1.1.1, BFSG, European Accessibility Act) and SEO: send image_url or image_base64, get alt text under 125 characters that describes purpose and content, a longer description for complex images such as charts, whether the image is decorative (then alt=""), all readable text in the image, and a ready alt="..." attribute. Optional language (e.g. German) and context (where the image is used).

Not tested: has real-world effectsour last check, 2026-10-10
0 of 0checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://agentsvc.io/api/v1/proxy/image-alt-text

CategoryImage and media
Provider hostagentsvc.io
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "image_url": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Fronalpstock_big.jpg/1280px-Fronalpstock_big.jpg"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "context": {
              "description": "Where the image is used, max 500 chars",
              "type": "string"
            },
            "image_base64": {
              "description": "Base64 image instead of a URL",
              "type": "string"
            },
            "image_url": {
              "description": "Public image URL (max 15 MB)",
              "type": "string"
            },
            "language": {
              "description": "Language of the alt text, default English",
              "type": "string"
            }
          },
          "required": []
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "data": {
              "properties": {
                "alt_text": {
                  "type": "string"
                },
                "decorative": {
                  "type": "boolean"
                },
                "html": {
                  "type": "string"
                },
                "image": {
                  "properties": {
                    "height": {
                      "type": "integer"
                    },
                    "original": {
                      "properties": {
                        "format": {
                          "type": "string"
                        },
                        "height": {
                          "type": "integer"
                        },
                        "size_bytes": {
                          "type": "integer"
                        },
                        "width": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "width": {
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "language": {},
                "long_description": {
                  "type": "string"
                },
                "model": {
                  "type": "string"
                },
                "text_in_image": {}
              },
              "required": [
                "alt_text",
                "decorative"
              ],
              "type": "object"
            },
            "success": {
              "type": "boolean"
            }
          },
          "required": [
            "success",
            "data"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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