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Enterprise Billing Overview

Laozhang API provides account credit management for companies and developer teams through YingTu Technology Pte. Ltd., a Singapore company. For production use, enterprise procurement, service contracts, or commercial invoices, contact support first to confirm account type, spending limits, and usage boundaries.

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Enterprise Payment Arrangements

Contract Billing

  • Account type review
  • Usage scope confirmation
  • Spending limit agreement
  • Contract or email confirmation
Processing Time: Subject to support confirmation

Enterprise Payment

  • Company information review
  • Payment instructions provided by support
  • Payment receipt verification
  • Account credit update after review
Processing Time: Subject to banking and support confirmation
Payment methods are not listed as public self-service options on this documentation page. Contact support first to confirm the account type, payment arrangement, and compliance boundary for your organization.

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Enterprise Payment

For enterprise purchases:
1

Contact Support

Email: hi@laozhang.ai Provide expected usage, company information, and commercial invoice requirements
2

Get Account Information

Receive the confirmed payment information from support
3

Complete Payment

Complete enterprise payment according to the confirmed instructions
4

Submit Proof

Submit payment receipt for verification
5

Account Credit Update

Account credit is updated after verification

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Account Credit Process

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Account Credit Setup

1

Log in to Console

Visit Laozhang API Console and log in
2

Confirm Account Type

Confirm whether the account is for development testing, internal tools, or production integration.
3

Confirm Billing Arrangement

Confirm the payment method, spending limit, commercial invoice information, and procurement requirements with support or in the console.
4

Complete Verification

Submit payment confirmation, service contract details, or payment receipt when required.
5

Confirm Account Credit

Check “Billing History” or contact support for confirmation.

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Budget Controls

Use budget controls to avoid unexpected production spend:
1

Set Alerts

Configure account alerts in the console.
2

Set Spending Limits

Configure budget limits for production keys and internal teams.
3

Review Usage

Review billing history and call logs regularly.
Budget Control Benefits
  • Reduce unexpected spending
  • Keep production usage observable
  • Support internal approval workflows
  • Make billing history easier to reconcile

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Pricing and Enterprise Terms

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Volume Pricing

For high-volume users, we offer custom volume discount plans:
  • Monthly usage $1000+: 5% additional discount
  • Monthly usage $5000+: 10% additional discount
  • Monthly usage $10000+: 15% additional discount
  • Enterprise custom: Contact hi@laozhang.ai

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Commercial Invoice and Receipt

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Request Invoice

1

Fill Invoice Information

Go to “Billing History” > “Request Invoice” Fill in:
  • Company name
  • Billing address
  • Tax or business registration number, if applicable
  • Contact email
2

Select Billing Period

Choose billing period requiring invoice
3

Submit Request

Submit invoice request
4

Receive Invoice

Receive electronic commercial invoice or receipt after review

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Invoice Types

Invoice TypeApplicable RegionProcessing TimeNotes
ReceiptGloballySubject to record typeFor account credit records
Commercial InvoiceGlobal enterprisesSubject to enterprise account reviewIssued by the confirmed overseas operating entity
Invoice availability is subject to enterprise account status, whitelist review, contract terms, and local compliance requirements.

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Refund Policy

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Refund Conditions

Can request refund if:
Refundable Cases
  • ✅ Unused balance (no API calls)
  • ✅ Duplicate payment
  • ✅ Mistaken account credit
  • ✅ Service discontinued
  • ✅ Account closed
Non-refundable Cases
  • ❌ Partial refund of used balance
  • ❌ Non-cash promotional credits
  • ❌ Expired balance
  • ❌ Violation account
  • ❌ Over 90 days

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Refund Process

1

Submit Refund Request

Email: hi@laozhang.ai Include:
  • Account information
  • Refund amount
  • Refund reason
  • Payment proof
2

Review Process

Financial team reviews within 3-5 business days
3

Approve Refund

If approved, initiate refund process
4

Receive Refund

Refund timing depends on the confirmed billing arrangement, banking process, and account review result.

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Refund Fees

Refund AmountProcessing FeeExample
< $50$2 fixed feeRefund 48for48 for 50
50−50-5003% of amountRefund 97for97 for 100
> $5002% of amountRefund 980for980 for 1000
Free Refund Cases
  • Platform error
  • Duplicate payment
  • Service disruption
  • Account closure

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Payment Security

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Security Measures

Reviewed Billing

Enterprise billing arrangements are reviewed before account credit is updated

Encrypted Transmission

All payment data transmitted via HTTPS/TLS 1.3 encryption

Minimal Data

Payment and invoice information is limited to what is required for account review

Fraud Detection

Real-time monitoring of unusual transactions

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Payment Information Protection

Our Commitment
  • ✅ Review account type before production billing
  • ✅ Keep payment confirmation tied to account credit records
  • ✅ Limit payment and invoice data to required business records
  • ✅ Confirm billing changes through support or console records
  • ✅ Keep account credit and call logs available for reconciliation

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Common Issues

Common Causes:
  1. Account Type Not Confirmed
    • Confirm whether the account is for testing, internal tools, or production integration
    • Contact support before adding production credit
  2. Payment or Contract Details Missing
    • Verify company information
    • Provide payment receipt or contract reference when required
  3. Payment or Support Review Delay
    • Wait for payment confirmation
    • Provide the reference number for support review
  4. Network Issues
    • Refresh page and retry
    • Change browser or network
Solutions:
1. Confirm account type and usage scope
2. Provide payment receipt or billing reference
3. Contact customer support if still pending
4. Provide account ID and confirmation record for investigation
Check Steps:
  1. Confirm Payment or Billing Status
    • Check payment confirmation record
    • Verify support or contract confirmation email
  2. Check Account Balance
    • Refresh console page
    • Check “Billing History”
  3. View Processing Status
    • Some payments require support review time
Processing Times:
  • Contract billing: Subject to support confirmation
  • Enterprise payment: Usually reviewed within 1-3 business days after receipt is provided
  • Invoice requests: Subject to enterprise account and local compliance review
If Still Not Arrived: Contact support: hi@laozhang.ai Provide:
  • Payment method
  • Payment amount
  • Payment time
  • Transaction ID
Split Payment Policy:Currently do not support split payments, but offer alternatives:
  1. Milestone Billing
    • Confirm staged billing requirements with support
    • Keep each account credit update tied to a confirmed record
  2. Separate Enterprise Purchases
    • Confirm each purchase with support
    • Keep each transaction and invoice record separate
  3. Corporate Monthly Settlement
    • Enterprise users can apply for monthly settlement
    • Contact: hi@laozhang.ai
Change Payment Method:
  1. For Completed Payments
    • Cannot change payment method
    • If refund needed, follow refund process
  2. For Future Purchases
    • Confirm the billing arrangement with support
    • Keep invoice and procurement requirements aligned before payment
  3. For Enterprise Billing
    • Contact support before changing billing arrangements
    • Confirm invoice and procurement requirements in advance
View Billing Records:
1

Log in to Console

Visit Console
2

Enter Billing History

Click “Billing” > “Billing History”
3

View Details

View all account credit, usage, and refund records
4

Export Records

Can export to CSV or PDF format
Record Contents:
  • Date and time
  • Transaction type (account credit/usage/refund)
  • Amount
  • Payment method
  • Balance
  • Transaction ID

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Enterprise Solutions

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Corporate Account

Provide specialized services for enterprise users:

Monthly Settlement

  • No need for advance account credit
  • Generate bill at month end
  • Support enterprise billing arrangements

Volume Discount

  • Custom pricing based on usage
  • Up to 20% discount
  • Long-term contract additional discounts

Dedicated Support

  • Dedicated account manager
  • 24/7 technical support
  • Priority problem resolution

Commercial Invoice

  • Support commercial invoice or receipt
  • Custom billing cycles
  • Detailed usage breakdown

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Apply for Corporate Account

1

Contact Sales Team

Email: hi@laozhang.ai Provide: Company name, estimated monthly usage, business type
2

Submit Materials

Provide:
  • Business license
  • Tax registration certificate
  • Legal representative ID
  • Corporate email
3

Review and Approval

Business team reviews within 3-5 business days
4

Sign Contract

Sign service contract, clarify terms
5

Account Setup

Configure corporate account, enjoy exclusive services

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Contact Support

If questions about payment:
  • Email: hi@laozhang.ai
  • Work Hours: Business days, subject to support availability
  • Online Support: Click chat icon in console