> For the complete documentation index, see [llms.txt](https://developer.prodege.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.prodege.com/demand/api-reference/feasibility/run-feasibility.md).

# Run Feasibility

| **Run Feasibility** |                                                    |
| ------------------- | -------------------------------------------------- |
| Description         | Run a feasibility query on the Prodege panel       |
| Request URL         | *Prodege Base URL +* /feasibility-run              |
| Request Method      | <mark style="background-color:orange;">POST</mark> |

&#x20; &#x20;

| Request Parameters        |                |                                                                                                                                                                                               |           |
| ------------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| Parameter Name            | Parameter Type | Description                                                                                                                                                                                   | Required? |
| apik                      | String         | Your API Key.                                                                                                                                                                                 | Yes       |
| request\_date             | Numeric        | Timestamp in milliseconds (see [Authentication](https://developer.prodege.com/demand/authentication)).                                                                                        | Yes       |
| signature                 | String         | The signature of your request (see [Authentication](https://developer.prodege.com/demand/authentication)).                                                                                    | Yes       |
| targeting\_criteria       | array          | JSON array of targeting criteria (see [JSON Examples](https://developer.prodege.com/demand/appendix/json-examples)).                                                                          | Yes       |
| country\_id               | Numeric        | The id that uniquely identifies the projects’ country (see [Lookup All Supported Countries](https://developer.prodege.com/demand/api-reference/lookup-calls/lookup-all-supported-countries)). | Yes       |
| expected\_incidence\_rate | Numeric        | Expected incidence rate %.                                                                                                                                                                    | No        |
| loi                       | Numeric        | The expected length of interview.                                                                                                                                                             | No        |
| prodege\_project\_id      | Numeric        | The ID that uniquely identifies the project in the Prodege system. This is an optional parameter that can be used in order to receive feasibility for a specific project.                     | No        |

| Response Parameters |                |                                                                                                                                   |
| ------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------- |
| Parameter Name      | Parameter Type | Description                                                                                                                       |
| *return\_status*    | String         | The return status for this api call                                                                                               |
| completes\_estimate | Numeric        | Count of available respondents based on provided criteria                                                                         |
| cpi                 | Numeric        | The cost per complete determined from the provided incidence and loi (returned if loi and expected\_incidence\_rate are provided) |

&#x20;

| *targeting\_criteria Element Model*    (see [JSON Examples](https://developer.prodege.com/demand/appendix/json-examples) section for sample data) |                       |                                                                 |
| ------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------- | --------------------------------------------------------------- |
| Property Name                                                                                                                                     | Property Type         | Description                                                     |
| question\_id                                                                                                                                      | Numeric               | Targeting Criterion identifier (based on the Questions Library) |
| operator                                                                                                                                          | String                | Possible values: OR, NOT, BETWEEN                               |
| precodes                                                                                                                                          | array of option\_id’s | List of Targeting Criterion question options                    |