---
title: "Signup Ops Meta"
method: GET
path: "/api/v1/admin/signup/ops/meta"
tags: ["Admin APIs", "signup"]
---

# Signup Ops Meta

`GET /api/v1/admin/signup/ops/meta`

Expose PostgreSQL schema for signup tables so admin UI can build diagnostic SELECTs.

## Response `200`

Successful Response

- SignupOpsMetaResponse
  - `postgres_schema` string, required
  - `signup_verification_max_attempts_per_email` integer, required — Max paid verification attempts per email before signup is blocked (matches signup_verification_max_attempts_per_email).
  - `internal_email_domains` string[], required — Lowercase email domains treated as internal (exclude_internal filters, aligned with reporting unmapped-email rollup).
  - `internal_email_domain_substring` string, required — When non-empty, the email domain (after @) is also treated as internal if it contains this substring (case-insensitive), in addition to internal_email_domains.

---

[API](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api.md) · [All operations](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/carbonarc/carbon-arc-client-admin-api/revisions/a8ca30023371/schema)