Endaoment Charity Donations

Quick Start

Find a Charity

./scripts/search.sh "27-1661997"         # EIN lookup (GiveDirectly)
./scripts/search.sh "Red Cross"          # Name search

Donate USDC (Base)

./scripts/donate.sh <ein> <amount_usdc>

./scripts/donate.sh 27-1661997 5

How It Works

1. Approve USDC to the Endaoment OrgFundFactory
2. Call

   deployOrgAndDonate(orgId, amount)

   which:
   • Deploys the charity's entity contract on Base (if not already deployed)
   • Donates the specified USDC amount

Popular Charities

references/popular-charities.md

Contract Addresses (Base)

0x237b53bcfbd3a114b549dfec96a9856808f45c94

0x10fd9348136dcea154f752fe0b6db45fc298a589

0x833589fcd6edb6e08f4c7c32d4f71b54bda02913

Fees

• Org donations: 1.5% fee (e.g., $100 → $1.50 fee, $98.50 to charity)
• Fund donations: 0.05-0.50% tiered

Requirements

• Bankr skill with API key configured
• USDC balance on Base
• ETH on Base for gas (Bankr covers this)

Technical Details

Function Selectors

• approve(address,uint256)

  :

  0x095ea7b3

• deployOrgAndDonate(bytes32,uint256)

  :

  0xdb9e30cc

OrgId Encoding

"11-1666852" → 0x31312d3136363638353200000000000000000000000000000000000000000000

Notes

• All donations are tax-deductible (US 501(c)(3) orgs)
• Donations are permissionless — anyone can donate
• Uses Bankr arbitrary transactions for contract interaction
• Works on Base; other chains require different addresses