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fastapi.online — Database Migration Script Generator
x402
fastapi.online — Database Migration Script Generator is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-15).
Generates a database migration script for a given ORM (Prisma, Sequelize, or raw SQL) based on a described schema change
Price / call$0.004
Success—
StatusUnknown
How this service works
Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.
Output
Returns a ready-to-use migration script in the requested ORM dialect (Prisma schema migration, Sequelize migration file, or raw SQL), reflecting the described schema change. The output includes the relevant migration code that can be directly applied to a database.
Example use cases
New column migration for Prisma
“I need a Prisma migration script to add a required `stripeCustomerId` string field to the `Account` table — can you generate that for me?”
Sequelize table rename migration
“Write me a Sequelize migration to rename the `orders` table to `purchase_orders`, including both the up and down methods.”
Raw SQL index creation migration
“Generate a raw SQL migration script to add a unique index on the `email` column of the `users` table.”
Technical details
Endpoint
POSThttps://api.fastapi.online/generate-migrationWhen to prefer
Choose this endpoint when you need a quick, AI-generated migration script in a specific ORM dialect (Prisma, Sequelize, or raw SQL) without manually writing boilerplate migration code. It's ideal for developer agents that need to automate schema evolution tasks, especially in CI/CD pipelines or code generation workflows. Prefer it over general-purpose chat models when you want a focused, pay-per-call solution with no signup.
Side effects
- Invalid or unsupported ORM value (not prisma, sequelize, or raw SQL) may cause an error or unexpected output
- Schema change description too vague or too short (minimum 2 characters) may produce a generic or incorrect migration
- Payment failure via x402 protocol blocks the request
- Very complex multi-table migrations may produce incomplete or incorrect output
- Description exceeding 2000 characters will be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| orm | string | prisma | sequelize | raw SQL |
| change | string | the schema change |
Tags
x402
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