---
title: "SQLGuard prepaid builder credits ($39.00) — volume path"
method: POST
path: "/v1/credits/buy/builder"
tags: ["Credits", "x402"]
---

# SQLGuard prepaid builder credits ($39.00) — volume path

`POST /v1/credits/buy/builder`

## Request

- Base URL: `https://sqlguard.io`
- URL: `https://sqlguard.io/v1/credits/buy/builder`
- Auth: none declared. Required headers: `X-SQLGuard-Agent`

Higher-volume prepaid credits only (secondary top-up). Prefer Pilot Challenge unlock or Gateway invoice. x402 Exact USDC on Base.

## Headers

- `X-SQLGuard-Agent` string, required

## Request body

- object
  - `agent_id` string, required: Stable agent or wallet id that receives credits after settle

## Response `200`

Credits granted after x402 settle

- object
  - `ok` boolean, required
  - `agent_id` string, required
  - `bundle` string, required
  - `credits_added` number, required
  - `balance` number, required

## Other responses

- `402`: Payment Required

---

[API](https://skmtc.dev/sqlguard/apis/sqlguard-permission-before-production-writes.md) · [All operations](https://skmtc.dev/sqlguard/apis/sqlguard-permission-before-production-writes/llms.txt) · [OpenAPI document](https://skmtc.dev/sqlguard/apis/sqlguard-permission-before-production-writes/revisions/d164204b4aea?raw)