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SQL Query Explainer (Plain English)
x402
SQL Query Explainer (Plain English) is a paid API for AI agents from pearl-valium-stickers-upc.trycloudflare.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).
Takes a raw SQL query as input and returns a plain-English explanation of what it does, served by a local uncensored LLM.
Price / call$0.01
Success—
StatusUnknown
How this service works
Explain a SQL query in plain English. Paste query in message.
Output
A plain-English narrative explanation of the SQL query — describing what tables are involved, what filtering and joining is happening, what the query returns, and the overall intent — suitable for non-technical readers or documentation purposes.
Example use cases
Onboarding junior developer to legacy schema
“I'm a junior dev trying to understand this gnarly legacy query — can you explain in plain English what it's doing? SELECT p.product_name, SUM(oi.quantity * oi.unit_price) AS revenue FROM order_items oi JOIN products p ON oi.product_id = p.id JOIN orders o ON oi.order_id = o.id WHERE o.status = 'completed' AND o.created_at BETWEEN '2023-01-01' AND '2023-12-31' GROUP BY p.product_name ORDER BY revenue DESC LIMIT 10;”
Documenting a data pipeline query
“I need to document what this SQL does for our internal wiki — please explain it in plain English so non-technical stakeholders can understand: WITH ranked AS (SELECT user_id, action, ROW_NUMBER() OVER (PARTITION BY user_id ORDER BY created_at DESC) AS rn FROM events) SELECT user_id, action FROM ranked WHERE rn = 1;”
Auditing an unfamiliar SQL migration script
“We inherited this migration script and I'm not sure what it's actually changing in our database — explain this SQL to me in plain English so I can decide if it's safe to run: ALTER TABLE sessions ADD COLUMN last_active TIMESTAMP DEFAULT NOW(), DROP COLUMN token_version, ADD INDEX idx_user_last (user_id, last_active);”
Technical details
Endpoint
POSThttps://pearl-valium-stickers-upc.trycloudflare.com/v1/sql-explain?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, private, plain-English explanation of a SQL query without sending data to a third-party cloud LLM. Especially useful for sensitive database schemas or proprietary queries that shouldn't leave your environment. Prefer this over generic chat LLMs when you want a pay-per-call, no-subscription model with local inference.
Side effects
- Empty or missing query body returns a generic error or empty explanation
- Malformed SQL may produce a confused or hallucinated explanation without flagging syntax errors
- Very long queries may be truncated or produce incomplete explanations
- Cloudflare tunnel may be offline or rate-limited, returning 402 or 5xx
- Payment failure (insufficient USDC or x402 protocol mismatch) blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| usage | object | |
| choices | array |
Tags
x402
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