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January 11, 2026

OneSchema alternatives: open-source and transparent pricing options

9 mins read

Blog post

If you're evaluating CSV import tools for your SaaS application, you've likely come across OneSchema. It's a capable product with strong enterprise features, but its sales-required pricing model leaves many teams uncertain about costs before committing to a demo call.

This guide provides an objective comparison of OneSchema with alternatives that offer transparent pricing or open-source options. Whether you need enterprise-grade performance, budget-friendly pricing, or complete control over your data, there's an option that fits.

What is OneSchema?

OneSchema is an embeddable CSV importer designed for SaaS applications. They focus on enterprise features including AI-powered column matching, 50+ built-in validation types, and the ability to handle files with up to 10-20 million rows.

OneSchema has built a strong reputation in the enterprise space. Their customer base includes companies like Ramp, Toast, Scale AI, and Vanta. They hold SOC 2 Type 2 certification and are HIPAA, GDPR, and CCPA compliant.

On G2, OneSchema has a 4.6/5 star rating from 48 verified reviews, with users highlighting ease of use and quick setup. One reviewer noted: "The ease of use for non tech savvy users! It is very easy to embed within your own software and has saved thousands of hours of work."

Their FileFeeds AI product extends beyond basic CSV imports, offering PDF extraction and automated file transformation pipelines for data operations teams.

OneSchema pricing

OneSchema does not publish specific pricing on their website. All three tiers (Starter, Pro, and Enterprise) require contacting sales.

TierPriceKey Features
StarterContact sales1,200 annual file uploads, 50+ validation types, no-code validation builder, webhooks
ProContact salesFileFeeds AI, EU/AU/CA hosting, whitelabeling, localization, up to 10M rows
EnterpriseContact salesSSO, custom RBAC, custom Rust servers for 10M+ rows, self-hosting option

Their pricing page describes Starter as "for small teams getting started" and Pro as "for larger teams with business critical automation workflows."

This sales-led model works for some organizations but can slow down evaluation for teams that want to understand costs upfront.

When to choose OneSchema

OneSchema is the right choice for specific use cases. Be honest with yourself about whether these apply to your situation:

Choose OneSchema if you:

  • Need to process very large files: OneSchema handles 10-20 million row files with custom Rust servers. Few alternatives match this scale.

  • Require enterprise compliance certifications: They have verified SOC 2 Type 2, HIPAA, GDPR, and CCPA compliance. If your procurement process requires these, OneSchema delivers.

  • Want multi-region data hosting: Pro and Enterprise plans offer hosting in US, EU, Australia, and Canada. This matters for data residency requirements.

  • Have a dedicated data operations team: FileFeeds AI is designed for teams with professional services workflows, not just developer-facing imports.

  • Work at a company with enterprise budget: If pricing isn't the primary constraint and you want a proven solution, OneSchema has established customers and a track record.

  • Don't mind sales-led procurement: Some organizations are comfortable with demo calls and custom quotes. If that's your workflow, the lack of public pricing isn't a blocker.

OneSchema alternatives

For teams that need transparent pricing, open-source options, or different trade-offs, here are the main alternatives:

1. ImportCSV

ImportCSV is an open-source CSV import component for React applications. The frontend is MIT-licensed and can be self-hosted for complete data control.

Pricing:

  • Free: 100 imports/month, 10,000 rows
  • Pro: $49/month (unlimited imports)
  • Team: $149/month (team features)
  • Enterprise: Custom

Key differentiators:

  • Open-source frontend (MIT license)
  • Self-hosting option for data privacy requirements
  • Transparent pricing without sales calls
  • Quick integration (minutes, not days)

Best for: Teams that want to see costs upfront, need to self-host for compliance or data privacy, or prefer open-source code they can inspect and modify.

Trade-offs: ImportCSV doesn't yet have SOC 2 Type 2 certification or support for 10M+ row files like OneSchema's enterprise tier.

2. CSVBox

CSVBox is a managed CSV importer with transparent pricing and quick setup time.

Pricing:

TierPriceImports/monthMax rows/import
Sandbox$01005 rows
Startup$19/mo1,00010K rows
Pro$49/mo5,00050K rows
Growth$99/mo10,000100K rows
Plus$199/mo10,000500K rows

Key differentiators:

  • Mobile-responsive UI
  • Setup in under 30 minutes
  • Clear pricing tiers

Best for: Startups and small teams on tight budgets who want predictable costs and fast integration.

Trade-offs: No open-source option, no self-hosting, and enterprise compliance certifications are not prominently featured.

3. Impler

Impler is an open-source CSV importer with no import limitations on the self-hosted version.

Features compared to OneSchema:

FeatureImplerOneSchema
Free tierYesNo
Unlimited templatesYesYes
Import limitationsNone (self-hosted)Varies by plan
Open sourceYesNo
Event hooksYesYes

Best for: Teams that want fully open-source infrastructure with no import caps. Impler offers community support via Discord.

Trade-offs: Smaller community and less mature than established commercial options.

4. YoBulk

YoBulk is a self-hosted, open-source data onboarding platform with GPT-3 integration for intelligent column mapping.

Pricing: Free (open source, self-hosted)

Key differentiators:

  • AI-powered column mapping using GPT-3
  • Docker support for deployment
  • Complete data privacy (no data leaves your servers)

One YoBulk user noted: "Yobulk was able to import large CSVs with million records and as an open-source platform, it can be deployed on-premises. It is a perfect fit for the finance domain where data security and privacy are of utmost importance."

Best for: Teams in regulated industries (finance, healthcare) with strict data residency requirements and engineering resources for self-hosting.

Trade-offs: Requires infrastructure management. No managed hosting option.

5. Fuse (by Swovo)

Fuse takes a security-first approach. Unlike OneSchema, Fuse does not store CSV data on their servers — only metadata.

Pricing: Starts at $59/month, free trial available

Key differentiators:

  • Data stays on your infrastructure (only metadata stored by Fuse)
  • Dedicated customer success representative
  • Transparent pricing

Best for: Teams concerned about data leaving their environment who want a managed solution with security guarantees.

Trade-offs: Smaller company with fewer enterprise features than OneSchema.

Feature comparison

FeatureOneSchemaImportCSVCSVBoxImplerYoBulk
Public pricingNoYesYesYes (free)Yes (free)
Open sourceNoYes (MIT)NoYesYes
Self-hostingEnterprise onlyYesNoYesYes
AI column mappingYesYesYesNot specifiedYes (GPT-3)
SOC 2 Type 2YesNot yetNot confirmedNoNo
Large file support10-20M rows100MB500K rowsNot specified1M+ rows
Multi-region hostingYes (Pro+)Self-host anywhereNot specifiedSelf-host anywhereSelf-host anywhere
Mobile-friendlyNo (desktop-first)YesYesNot specifiedNot specified

Migration guide

If you decide ImportCSV is the right fit, here's how to migrate from OneSchema:

Step 1: Install ImportCSV

npm install @importcsv/react@1.0.0

Step 2: Map your validation schema

OneSchema and ImportCSV use similar concepts for defining columns. Here's how to convert:

// OneSchema-style schema
const oneSchemaColumns = [
  { name: 'email', required: true, data_type: 'email' },
  { name: 'first_name', required: false, data_type: 'string' },
  { name: 'amount', required: true, data_type: 'number' },
];

// ImportCSV equivalent
const importCSVSchema = [
  { key: 'email', label: 'Email', type: 'email', required: true },
  { key: 'first_name', label: 'First Name', type: 'string', required: false },
  { key: 'amount', label: 'Amount', type: 'number', required: true },
];

Step 3: Replace the component

// Before (OneSchema)
import OneSchemaImporter from '@oneschema/react';

function DataImport() {
  return (
    <OneSchemaImporter
      clientId="your-client-id"
      templateKey="your-template"
      onSuccess={(data) => {
        console.log(data.records);
      }}
      onError={(error) => {
        console.error(error);
      }}
    />
  );
}

// After (ImportCSV)
import { ImportCSV } from '@importcsv/react';

function DataImport() {
  return (
    <ImportCSV
      schema={[
        { key: 'email', label: 'Email', type: 'email', required: true },
        { key: 'first_name', label: 'First Name', type: 'string' },
        { key: 'amount', label: 'Amount', type: 'number', required: true },
      ]}
      onComplete={(data) => {
        console.log(data.validRows);
      }}
      onError={(error) => {
        console.error(error);
      }}
    />
  );
}

Step 4: Migrate custom validations

If you used OneSchema's codehooks for custom validation logic, you can use ImportCSV's validate function:

<ImportCSV
  schema={[
    {
      key: 'amount',
      label: 'Amount',
      type: 'number',
      required: true,
      validate: (value) => {
        const num = parseFloat(value);
        if (isNaN(num) || num <= 0) {
          return 'Amount must be a positive number';
        }
        if (num > 1000000) {
          return 'Amount exceeds maximum allowed value';
        }
        return null;
      }
    },
  ]}
  onComplete={handleComplete}
/>

Common migration considerations

Schema complexity: If you relied heavily on OneSchema's 50+ built-in validation types, you may need to implement some as custom validate functions in ImportCSV.

File size limits: If you're processing files larger than 100MB, consider using ImportCSV's chunked upload option or evaluate whether your use case actually requires such large single-file imports.

Missing styles: Remember to import the CSS:

import '@importcsv/react/dist/styles.css';

Conclusion

The right CSV importer depends on your specific situation:

  • OneSchema is a strong choice for enterprise teams that need compliance certifications, multi-region hosting, or 10M+ row file support, and are comfortable with sales-led pricing.

  • ImportCSV fits teams wanting transparent pricing, open-source code, or the option to self-host for data privacy.

  • CSVBox works well for budget-conscious startups that need quick setup and predictable costs.

  • Impler and YoBulk are good options for teams that want fully open-source, self-hosted solutions with no vendor lock-in.

  • Fuse suits teams with strict data residency requirements who want a managed solution.

Wrap-up

CSV imports shouldn't slow you down. ImportCSV aims to expand into your workflow — whether you're building data import flows, handling customer uploads, or processing large datasets.

If that sounds like the kind of tooling you want to use, try ImportCSV .