What is KYB?
Know Your Business (KYB) verification is a regulatory requirement that confirms your company’s identity and legitimacy before you can process payments through Grain. All merchants must complete KYB verification before accepting live payments.Documents to Prepare
Have the following documents ready to upload during your application:- Formation Document — Copy of your LLC Agreement, Certificate of Incorporation, or equivalent
- Employer Identification Number — IRS CP 575 letter, EIN confirmation letter, or equivalent
- Government-Issued ID for all Control Personnel and Beneficial Owners
- U.S. Persons — U.S. Driver’s License (front and back), State ID Card (front and back), or Passport
- Non-U.S. Persons — Passport
Any personnel who resides in a country on the FATF Grey List must also provide a copy of proof of address.
Company Information to Prepare
You will be asked to provide the following details about your business:- Registered company name and DBA name (if any)
- Company description
- Company address (both incorporation and operating address if different)
- Entity type (LLC, C Corp, etc.)
- Incorporation date
- Employer Identification Number
- Industry (Financial Services, Technology, Crypto, etc.)
- Source of funds (Revenue, Investment, etc.)
- Expected countries to send or receive funds
- Expected monthly volume for crypto and fiat
- Primary target market (Retail, Commercial, etc.)
- Purpose of account (Business Operations, Cross-Border Payments, etc.)
Control Personnel, Signers, and Beneficial Owners
For each control person, signer, and beneficial owner, prepare the following information:- Full legal name (First, Middle, Last)
- Date of birth
- Home address
- Social Security Number or Tax Identification Number
- Role in the company (if control person)
- Contact information (email and phone number)
- Ownership percentage (if applicable)
At least one signer is required for each company. A signer can also serve as a control person or beneficial owner.
Review Timeline
| Stage | Typical Duration |
|---|---|
| Document review | 1–2 business days |
| Enhanced due diligence (if required) | 3–5 business days |
| Final approval | 1 business day |
What Happens After Approval
Once your KYB verification is approved:- You receive a confirmation email with next steps
- Production API keys become available in the Dashboard
- You can configure your settlement preferences
- You can start accepting live payments