Maybe this code snippet helps. I use executeScript to call the free OCR API from inside the RPA software. This approach works for any API.
For generating the Javascript code I used the PostMan code export feature. So if your api call works from inside Postman, than you can export the working code.
{
"Name": "ocr api",
"CreationDate": "2023-4-29",
"Commands": [
{
"Command": "open",
"Target": "https://forum.ui.vision",
"Value": "",
"Description": "Open any website, we need a place to run \"executeScript\" inside"
},
{
"Command": "executeScript",
"Target": "async function callOCR() {\nconst apiKey = \"helloworld\";\nconst imageurl = \"https://ui.vision/Content/Images/ui.vision.logo2.webp\";\nconst ocrUrl = \"https://api.ocr.space/parse/image\";\n\nvar myHeaders = new Headers();\nmyHeaders.append(\"apikey\", apiKey);\n\nvar formdata = new FormData();\nformdata.append(\"language\", \"ger\");\nformdata.append(\"ocrengine\", \"2\");\nformdata.append(\"url\", imageurl);\n\nvar requestOptions = {\n method: 'POST',\n headers: myHeaders,\n body: formdata,\n redirect: 'follow'\n};\n\nconst response = await fetch (ocrUrl, requestOptions)\n\nconst data = await response.json();\n\nparsed_text = data[\"ParsedResults\"][0][\"ParsedText\"]\n\nreturn JSON.stringify(parsed_text);\n\n}\nreturn callOCR();",
"Value": "v",
"Description": "Call OCR API, code was generated by Postman"
},
{
"Command": "echo",
"Target": "OCR Text result=${v}",
"Value": "green",
"Description": ""
}
]
}
Postman code export:
