{
"opencollection": "1.0.0",
"info": {
"name": "Klaviyo Accounts Custom Objects API",
"version": "2026-04-15"
},
"request": {
"auth": {
"type": "apikey",
"key": "Authorization",
"value": "{{Authorization}}",
"placement": "header"
}
},
"items": [
{
"info": {
"name": "Custom Objects",
"type": "folder"
},
"items": [
{
"info": {
"name": "Get Data Sources",
"type": "http"
},
"http": {
"method": "GET",
"url": "https://a.klaviyo.com/api/data-sources",
"headers": [
{
"name": "revision",
"value": ""
}
],
"params": [
{
"name": "fields[data-source]",
"value": "",
"type": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsets"
},
{
"name": "page[cursor]",
"value": "",
"type": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#pagination"
},
{
"name": "page[size]",
"value": "",
"type": "query",
"description": "Default: 20. Min: 1. Max: 100."
}
]
},
"docs": "Get all data sources in an account.
*Rate limits*:
Burst: `3/s`
Steady: `60/m`\n\n**Scopes:**\n`custom-objects:read`"
},
{
"info": {
"name": "Create Data Source",
"type": "http"
},
"http": {
"method": "POST",
"url": "https://a.klaviyo.com/api/data-sources",
"headers": [
{
"name": "revision",
"value": ""
}
],
"body": {
"type": "json",
"data": "{}"
}
},
"docs": "Create a new data source in an account
*Rate limits*:
Burst: `3/s`
Steady: `60/m`\n\n**Scopes:**\n`custom-objects:write`"
},
{
"info": {
"name": "Get Data Source",
"type": "http"
},
"http": {
"method": "GET",
"url": "https://a.klaviyo.com/api/data-sources/:id",
"headers": [
{
"name": "revision",
"value": ""
}
],
"params": [
{
"name": "id",
"value": "",
"type": "path",
"description": "The ID of the data source"
},
{
"name": "fields[data-source]",
"value": "",
"type": "query",
"description": "For more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsets"
}
]
},
"docs": "Retrieve a data source in an account.
*Rate limits*:
Burst: `3/s`
Steady: `60/m`\n\n**Scopes:**\n`custom-objects:read`"
},
{
"info": {
"name": "Delete Data Source",
"type": "http"
},
"http": {
"method": "DELETE",
"url": "https://a.klaviyo.com/api/data-sources/:id",
"headers": [
{
"name": "revision",
"value": ""
}
],
"params": [
{
"name": "id",
"value": "",
"type": "path",
"description": "The ID of the data source to delete"
}
]
},
"docs": "Delete a data source in an account.
*Rate limits*:
Burst: `3/s`
Steady: `60/m`\n\n**Scopes:**\n`custom-objects:write`"
},
{
"info": {
"name": "Bulk Create Data Source Records",
"type": "http"
},
"http": {
"method": "POST",
"url": "https://a.klaviyo.com/api/data-source-record-bulk-create-jobs",
"headers": [
{
"name": "revision",
"value": ""
}
],
"body": {
"type": "json",
"data": "{}"
}
},
"docs": "Create a bulk data source record import job to create a batch of records.\n\nAccepts up to 500 records per request. The maximum allowed payload size is 4MB. The maximum allowed payload size per-record is 512KB.\n\nTo learn more, see our [Custom Objects API overview](https://developers.klaviyo.com/en/reference/custom_objects_api_overview).
*Rate limits*:
Burst: `3/s`
Steady: `15/m`\n\n**Scopes:**\n`custom-objects:write`"
},
{
"info": {
"name": "Create Data Source Record",
"type": "http"
},
"http": {
"method": "POST",
"url": "https://a.klaviyo.com/api/data-source-record-create-jobs",
"headers": [
{
"name": "revision",
"value": ""
}
],
"body": {
"type": "json",
"data": "{}"
}
},
"docs": "Create a data source record import job to create a single record.\n\nThe maximum allowed payload size per-record is 512KB.\n\nTo learn more, see our [Custom Objects API overview](https://developers.klaviyo.com/en/reference/custom_objects_api_overview).
*Rate limits*:
Burst: `75/s`
Steady: `750/m`\n\n**Scopes:**\n`custom-objects:write`"
}
]
}
],
"bundled": true
}