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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 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

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:
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