---
updatedAt: 2026-07-06T12:56:10.000Z
agentTools:
  projectIndex: https://docs.smartsurvey.io/llms.txt
---

# Data Types

## Question Types

| Question Type                                                         | Sub Types                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| :-------------------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `open_ended `<br />Open-ended question types                          | `single`<br />Single textbox<br /><br />`multi`<br />Multiple textboxes<br /><br />`essay`<br />Single large textbox (textarea)<br /><br />`ai_follow_up`<br />Multiple textboxes for questions and answers.<br /><br />`email`<br />Email address                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `single_choice `<br />Multiple choice, single answer question type    | `radio`<br />Radio button based question<br /><br />`dropdown`<br />Drop down list based question<br /><br />`image`<br />Image selection based question<br /><br />`customer_effort_score`<br />Customer Effort Score (CES) based question<br /><br />`customer_satisfaction_score`<br />Customer Satisfaction Score (CSAT) based question<br /><br />`employee_effort_score`<br />Employee Effort Score (EES) based question<br /><br />`employee_satisfaction_score`<br />Employee Satisfaction Score (ESAT) based question<br /><br />`employee_nps_score`<br />Employee Net Promoter Score (eNPS) based question<br /><br />`friends_family_test`<br />Friends and Family Test (FFT) based question<br /><br />`star_rating`<br />Star rating based question |
| `multiple_choice`<br />Multiple choice, multiple answer question type | `checkbox`<br />Checkbox based question<br /><br />`list`<br />List box based question<br /><br />`image`<br />Image selection based question                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `matrix`<br />Matrix question type                                    | `single`<br />Only one answer per row<br /><br />`multi`<br />Multiple answers per row<br /><br />`open_ended`<br />Matrix of textboxes<br /><br />`dropdown`<br />Matrix of drop-down menus<br /><br />`semantic`<br />Semantic differential                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `datetime`<br />Date/Time question type                               | `date`<br />Date selection only<br /><br />`time`<br />Time selection only<br /><br />`both`<br />Date and time selection                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| `descriptive`<br />Descriptive question type                          | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `ranking`<br />Ranking question type                                  | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `nps`<br />Net Promoter Score® question type                          | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `file_upload`<br />File upload question type                          | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `constant_sum`<br />Continuous sum question type                      | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `slider`<br />Slider question type                                    | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |

<br />

## Answer Types

| Type                | Description                         |
| :------------------ | :---------------------------------- |
| `text`              | Text input item                     |
| `dropdown`          | Drop down select item               |
| `radio`             | Single answer radio input item      |
| `checkbox`          | Multiple answer checkbox input item |
| `listitem`          | List box item                       |
| `matrix_col`        | Matrix question column option       |
| `matrix_row`        | Matrix question row option          |
| `descriptive`       | Descriptive question option         |
| `other`             | 'Other' option item                 |
| `heading`           | Heading row item                    |
| `comment`           | 'Comments' option item              |
| `ranking`           | Ranking option item                 |
| `datetime`          | Date/Time option item               |
| `nps`               | Net Promoter Score® option item     |
| `fileupload`        | File upload option item             |
| `image`             | Image option item                   |
| `followup_question` | AI follow-up question item          |
| `followup_answer`   | AI follow-up answer item            |
| `followup_summary`  | AI follow-up summary item           |

## Language List

| ID | Code      | Language              |
| :- | :-------- | :-------------------- |
| 1  | `en`      | English               |
| 2  | `ar`      | Arabic                |
| 3  | `sv`      | Swedish               |
| 4  | `ru`      | Russian               |
| 5  | `de`      | German                |
| 6  | `fr`      | French                |
| 7  | `pl`      | Polish                |
| 8  | `es`      | Spanish               |
| 9  | `el`      | Greek                 |
| 10 | `cy`      | Welsh                 |
| 11 | `da`      | Danish                |
| 12 | `tr`      | Turkish               |
| 13 | `zh-Hans` | Chinese (Simplified)  |
| 14 | `hi`      | Hindi                 |
| 15 | `ur`      | Urdu                  |
| 16 | `nl`      | Dutch                 |
| 17 | `it`      | Italian               |
| 18 | `pt-PT`   | Portuguese (Portugal) |
| 19 | `no`      | Norwegian             |
| 20 | `zh-Hant` | Chinese (Traditional) |
| 21 | `fa`      | Farsi                 |
| 22 | `fi`      | Finnish               |
| 23 | `lt`      | Lithuanian            |
| 24 | `th`      | Thai                  |
| 25 | `hr`      | Croatian              |
| 26 | `bg`      | Bulgarian             |
| 27 | `hu`      | Hungarian             |
| 28 | `sk`      | Slovak                |
| 29 | `cs`      | Czech                 |
| 30 | `ro`      | Romanian              |
| 31 | `sr`      | Serbian               |
| 32 | `sl`      | Slovenian             |
| 33 | `bs`      | Bosnian               |
| 34 | `gd`      | Scottish Gaelic       |
| 35 | `ja`      | Japanese              |
| 36 | `id`      | Indonesian            |
| 37 | `pt-BR`   | Portuguese (Brazil)   |
| 38 | `uk`      | Ukrainian             |
| 39 | `aa`      | Afar                  |
| 40 | `sq`      | Albanian              |
| 41 | `am`      | Amharic               |
| 42 | `fa-AF`   | Dari                  |
| 43 | `ku`      | Kurdish               |
| 44 | `om`      | Oromo                 |
| 45 | `ps`      | Pashto                |
| 47 | `so`      | Somali                |
| 48 | `ti`      | Tigrinya              |
| 49 | `vi`      | Vietnamese            |
| 50 | `ga`      | Irish                 |
| 51 | `pa`      | Punjabi               |
| 52 | `bn`      | Bengali               |
| 53 | `ml`      | Malayalam             |
| 54 | `si`      | Sinhala               |
| 55 | `ig`      | Igbo                  |

> **Note:** ID 46 is intentionally omitted — it is an inactive duplicate Persian/Farsi entry (code `fa`, the same tag as the active ID 21). The active Dari entry (ID 42) uses `fa-AF`, so every active language has a unique code.

## Respondent Statuses

| Status         | Description                                |
| :------------- | :----------------------------------------- |
| `completed`    | Respondent has finished the survey         |
| `partial`      | Respondent has completed at least one page |
| `disqualified` | Respondent was disqualified                |

## Tracking Link Types

| ID | Code               | Name                      |
| :- | :----------------- | :------------------------ |
| 0  | `web_link`         | Default Web Link          |
| 1  | `email_invitation` | Email Invitation Link     |
| 2  | `web_link`         | Standard Web Link         |
| 3  | `consumer_panel`   | Consumer Panel Order      |
| 4  | `offline`          | Offline Survey Link       |
| 6  | `web_popup`        | Website: Popup Invitation |
| 8  | `web_embed`        | Website: Embed Code       |
| 9  | `facebook`         | Facebook Wall Post        |
| 11 | `qr_code`          | QR Code                   |
| 12 | `feedback_popup`   | Feedback Popup            |

<br />