Generate compliant SDS documents
in seconds via API
RESTful JSON API for US OSHA, EU REACH/CLP, and Custom SDS (authored on demand) generation. White-label output, structured response, webhook delivery. Included with Enterprise at $1,000/mo, or $5 per document.
// Request body
{
"chemical_identifier": "67-64-1",// CAS: Acetone
"company_website": "acmechem.com"
}
// Response 200 OK
{
"document_url": "…/api/sds/df3dc5b1"
"format": "docx",
"delivery_ms": 42300
}
< 60 s
SDS generation time
3 formats
US · EU · Custom
$1,000 / mo
Enterprise incl. API access
7 standards
OSHA · REACH · GHS · CLP…
Quick start
Generate your first SDS in under 5 minutes
Grab a free trial key, hit the endpoint with a CAS number, and receive a fully-populated 16-section DOCX in seconds.
curl -X POST https://custom-sds.com/api/v1/sds/us \
-H "Authorization: Bearer sds_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"chemical_identifier": "67-64-1",
"company_website": "https://yourcompany.com",
"company_name": "Your Company"
}'{
"document_url" : "https://custom-sds.com/api/sds/df3dc5b1-47c8",
"format" : "docx",
"generated_at" : "2026-05-15T10: 23: 45.123Z",
"style_profile_applied" : true,
"units_used" : 1,
"units_remaining" : 49
}Get your API key
Request a free trial key — 1 document, once, no credit card required.
Get trial key →Pick an endpoint
US OSHA SDS, EU REACH SDS, or Custom SDS from a structural proxy — all via POST.
See endpoints →Receive DOCX or URL
White-labeled document delivered as a URL or base64 DOCX.
Scale with a subscription
Upgrade to Enterprise ($1,000/mo) for API access and unlimited document workflows.
View pricing →Capabilities
Everything you need for SDS automation
From a single-chemical lookup to volume generation for a whole team, the API covers the full compliance workflow.
US SDS
$5 / doc
OSHA 29 CFR 1910.1200 · HazCom 2026 · All 16 GHS sections
EU SDS
$5 / doc
REACH EC 1907/2006 · CLP EC 1272/2008 · English-language output
Custom SDS from a structural proxy
$99/mo
Unlisted compounds · ECHA RAAF-aligned read-across · Section 11 disclosure
Bulk generation
Subscription
Enterprise unlimited docs · Async webhook delivery · Idempotent by key
DOCX + URL output
Editable .docx delivered via URL or base64 — works in any pipeline
GHS compliant
All 9 pictogram classes · H/P statements · Signal words · Section 2
Sub-60s turnaround
Typical delivery: 30–55 seconds · PubChem + NIST + EPA sourcing
White-label output
Logo, name, website auto-populated from your brand URL
Pricing
One ladder, three prices
There is no standalone API plan. API access is included in Enterprise at $1,000/mo, alongside unlimited documents; we set up your API key with you.
Trial
1 document · once
- 1 SDS document, one-time
- Full API access
- No credit card needed
- Key via email in minutes
Standard document
Per document · guest checkout, no account
- One SDS, one GHS label, or the bundle
- US OSHA or EU REACH/CLP format
- All 16 GHS Rev. 7 sections
- White-label editable .docx
Pro
Custom SDS unlock for unlisted compounds
- Custom SDS from a structural proxy for unlisted compounds
- Chemical test-data upload for accuracy
- AI-based review
- Everything in the $5 document path
Enterprise
Unlimited documents + API access
- Unlimited documents
- Full REST API access
- US + EU + Custom SDS
- Vault editing with version history, live AI review chat
- Dedicated support
Need pay-per-document pricing?
Any standard document $5 · Pro $99/mo · Enterprise/API $1,000/mo on the main pricing ladder.
API reference
Complete API documentation
Base URL: https://custom-sds.com. All requests require Bearer token authentication.
Authentication
Pass your API key as a Bearer token in the Authorization header on every request. Obtain a key via the free trial or a paid subscription.
Authorization: Bearer sds_live_YOUR_KEY/api/v1/sds/us
Generate a US OSHA HazCom 2026-compliant draft SDS as an editable DOCX. Accepts a chemical identifier (CAS, name, SMILES, formula) plus optional company branding fields.
Request body
| Field | Type | Req |
|---|---|---|
| chemical_identifier | string | |
| company_website | URL | — |
| company_name | string | — |
| company_phone | string | — |
| company_address | string | — |
| response_format | url|base64 | — |
Response fields
| Field | Type |
|---|---|
| document_url | string URL |
| document_base64 | string |
| format | "docx" |
| generated_at | ISO-8601 |
| style_profile_applied | boolean |
| units_used | number |
| units_remaining | number |
/api/v1/sds/eu
Generate an EU REACH EC 1907/2006 + CLP EC 1272/2008-compliant SDS. Accepts the same request body as /api/v1/sds/us and returns the same response schema.
POST /api/v1/sds/us. Document format follows EU REACH/CLP rather than US OSHA./api/v1/usage
Returns the current usage snapshot for the authenticated API key. Use this to track remaining quota before submitting bulk jobs.
{
"quota_monthly" : 999999,
"quota_resets_at" : "2026-06-15T00: 00: 00.000Z",
"subscription_tier" : "enterprise",
"units_used" : 3
}Rate limits
Request rate
60
requests / minute per key
Monthly quota
∞
unlimited on Enterprise; the free trial is 1 document, once
Error codes
| Status | Meaning |
|---|---|
| 401 | Invalid or missing API key |
| 402 | Monthly quota exceeded or subscription inactive |
| 422 | Validation error in the request body |
| 429 | Rate limit exceeded (60 req/min) |
| 500 | Internal server error — contact support |
{
"code" : "INVALID_COMPANY_WEBSITE",
"error" : "company_website must be a valid URL."
}Start generating compliant SDS today
One free document — no credit card required. API key delivered to your inbox in under 2 minutes.
Regulatory coverage
OSHA HazCom 2026
29 CFR 1910.1200
REACH
EC 1907/2006
GHS Rev. 7
UN/UNECE standard
CLP
EC 1272/2008
EPA Tier II
40 CFR Part 370
WHMIS 2015
Canada GHS
Questions or enterprise integration? Contact us at support@custom-sds.com or visit the developer portal.