{ "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 }