---
title: "Create a refill configuration."
method: POST
path: "/v2/refill-configurations"
tags: ["Refill Configurations"]
---

# Create a refill configuration.

`POST /v2/refill-configurations`

## Headers

- `Idempotency-Key` string — Non-empty idempotency key for deduplicating write requests on the same route.

## Request body

- RefillConfigurationRequest — Create-refill-configuration request. target_balance must be greater than minimum_balance. Unknown JSON fields are rejected.
  - `account_id` string, required — LedgerUp account identifier.
  - `metric_id` string, required — LedgerUp metric identifier.
  - `minimum_balance` string, required — Decimal balance serialized as a string.
  - `target_balance` string, required — Decimal balance serialized as a string.
  - `is_active` boolean, required — Whether automatic refills are enabled.

## Response `201`

Created.

- RefillConfiguration
  - `account_id` string, required — LedgerUp account identifier.
  - `metric_id` string, required — LedgerUp metric identifier.
  - `minimum_balance` string, required — Decimal balance serialized as a string.
  - `target_balance` string, required — Decimal balance serialized as a string.
  - `is_active` boolean, required — Whether automatic refills are enabled.
  - `created_at` integer, required — Unix timestamp in seconds.
  - `updated_at` integer, required — Unix timestamp in seconds.

## Other responses

- `400` — Bad request, invalid header, invalid amount/quantity/currency, or text validation failure.
- `401` — Missing or invalid API key.
- `403` — API key lacks the required permission, or reset was attempted outside the test namespace.
- `408` — Request exceeded the 30 second timeout.
- `409` — Duplicate idempotency key, uniqueness conflict, or foreign-key conflict.
- `413` — Request body exceeded the 256 KiB limit.
- `415` — Write request content type was not application/json.
- `422` — Semantically invalid request, such as a service period with start greater than end.
- `429` — Rate limit exceeded.
- `500` — Internal server error or queue failure.

---

[API](https://skmtc.dev/ledgerup/apis/ledgerup-api.md) · [All operations](https://skmtc.dev/ledgerup/apis/ledgerup-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ledgerup/ledgerup-api/revisions/be257191807b/schema)