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POST
/
api
/
v1
/
animations
/
text
Create text animation
curl --request POST \
  --url https://api.kynva.ai/api/v1/animations/text \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateId": "<string>",
  "textAnimations": [
    {
      "layer": "<string>",
      "animation": {
        "duration": 15050,
        "trigger": "start",
        "delay": 0,
        "easing": "ease-out",
        "repeat": 2,
        "options": {}
      }
    }
  ],
  "modifications": "<array>",
  "variables": {},
  "stylePreset": "<string>",
  "totalDuration": 30050,
  "fps": 30,
  "format": "gif"
}
'
import requests

url = "https://api.kynva.ai/api/v1/animations/text"

payload = {
"templateId": "<string>",
"textAnimations": [
{
"layer": "<string>",
"animation": {
"duration": 15050,
"trigger": "start",
"delay": 0,
"easing": "ease-out",
"repeat": 2,
"options": {}
}
}
],
"modifications": "<array>",
"variables": {},
"stylePreset": "<string>",
"totalDuration": 30050,
"fps": 30,
"format": "gif"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
templateId: '<string>',
textAnimations: [
{
layer: '<string>',
animation: {
duration: 15050,
trigger: 'start',
delay: 0,
easing: 'ease-out',
repeat: 2,
options: {}
}
}
],
modifications: '<array>',
variables: {},
stylePreset: '<string>',
totalDuration: 30050,
fps: 30,
format: 'gif'
})
};

fetch('https://api.kynva.ai/api/v1/animations/text', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://api.kynva.ai/api/v1/animations/text",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'templateId' => '<string>',
'textAnimations' => [
[
'layer' => '<string>',
'animation' => [
'duration' => 15050,
'trigger' => 'start',
'delay' => 0,
'easing' => 'ease-out',
'repeat' => 2,
'options' => [

]
]
]
],
'modifications' => '<array>',
'variables' => [

],
'stylePreset' => '<string>',
'totalDuration' => 30050,
'fps' => 30,
'format' => 'gif'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://api.kynva.ai/api/v1/animations/text"

payload := strings.NewReader("{\n \"templateId\": \"<string>\",\n \"textAnimations\": [\n {\n \"layer\": \"<string>\",\n \"animation\": {\n \"duration\": 15050,\n \"trigger\": \"start\",\n \"delay\": 0,\n \"easing\": \"ease-out\",\n \"repeat\": 2,\n \"options\": {}\n }\n }\n ],\n \"modifications\": \"<array>\",\n \"variables\": {},\n \"stylePreset\": \"<string>\",\n \"totalDuration\": 30050,\n \"fps\": 30,\n \"format\": \"gif\"\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.kynva.ai/api/v1/animations/text")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"templateId\": \"<string>\",\n \"textAnimations\": [\n {\n \"layer\": \"<string>\",\n \"animation\": {\n \"duration\": 15050,\n \"trigger\": \"start\",\n \"delay\": 0,\n \"easing\": \"ease-out\",\n \"repeat\": 2,\n \"options\": {}\n }\n }\n ],\n \"modifications\": \"<array>\",\n \"variables\": {},\n \"stylePreset\": \"<string>\",\n \"totalDuration\": 30050,\n \"fps\": 30,\n \"format\": \"gif\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.kynva.ai/api/v1/animations/text")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"templateId\": \"<string>\",\n \"textAnimations\": [\n {\n \"layer\": \"<string>\",\n \"animation\": {\n \"duration\": 15050,\n \"trigger\": \"start\",\n \"delay\": 0,\n \"easing\": \"ease-out\",\n \"repeat\": 2,\n \"options\": {}\n }\n }\n ],\n \"modifications\": \"<array>\",\n \"variables\": {},\n \"stylePreset\": \"<string>\",\n \"totalDuration\": 30050,\n \"fps\": 30,\n \"format\": \"gif\"\n}"

response = http.request(request)
puts response.read_body
{
  "success": true,
  "data": {
    "url": "<string>",
    "width": 123,
    "height": 123,
    "duration": 123,
    "frameCount": 123,
    "format": "<string>"
  }
}

Authorizations

Authorization
string
header
required

Your Kynva API key (kyn_live_xxx or kyn_test_xxx; legacy rf_ keys remain valid)

Body

application/json
templateId
string
required

ID of the template to animate

textAnimations
object[]
required
Required array length: 1 - 20 elements
emotionPreset
enum<string>

Emotion preset to apply (sets animation style, timing, and effects). Overridable by explicit animation settings.

Available options:
urgent,
calm,
playful,
dramatic,
rebellious,
luxurious,
nostalgic,
chaotic
modifications
array

Layer modifications to apply

variables
object

Variables for template interpolation (e.g., { headline: "My Title" } replaces {{headline}})

stylePreset
string

Style preset ID to apply creativity effects

totalDuration
number

Total animation duration in ms (auto-calculated if not provided)

Required range: 100 <= x <= 60000
fps
number
default:30
Required range: 5 <= x <= 60
format
enum<string>
default:gif
Available options:
gif,
mp4

Response

200 - application/json

Text animation created successfully

Text animation created successfully

success
boolean
data
object