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Need help with callin.io

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Narendra1
(@narendra1)
Posts: 1
New Member
Topic starter
 

When developing an AI calling agent, we connect via HTTP request, which redirects to callin.io to contact the client. However, I'm encountering the error: "The resource you are requesting could not be found."

 
Posted : 07/07/2025 10:48 pm
bridgewaretech
(@bridgewaretech)
Posts: 1
New Member
 

Hi there!

The resource you are requesting could not be found error typically indicates:

  • The endpoint URL is incorrect,
  • The HTTP method is wrong,
  • Or you’re missing required headers or parameters.

If you’re trying to initiate a phone call using callin.io, try the following:

  1. Method: POST

  2. URL: https://api.retell.ai/v2/sample-calls

  3. Authentication:
    Choose None in the node, but set the header manually.

  4. Headers:
    Add the following two headers:
    Authorization: Bearer YOURAPIKEY
    Content-Type: application/json

  5. Body Content:
    Switch to RAW mode and set Content-Type to JSON. Use this structure:

json
{
“phone_number”: “+1234567890”,
“agent_id”: “your-agent-id”
}

Replace +1234567890 with the real number and "your-agent-id" with your actual agent ID from callin.io.

 
Posted : 08/07/2025 2:42 am
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