Endaoment Charity Donations Donate to 501(c)(3) nonprofits onchain via Endaoment's smart contracts. Quick Start Find a Charity Search by name or EIN: ./scripts/search.sh "27-1661997"
EIN lookup (GiveDirectly)
./scripts/search.sh "Red Cross"
Name search
- Donate USDC (Base)
- ./scripts/donate.sh
- <
- ein
- >
- <
- amount_usdc
- >
- Example: Donate $5 USDC to GiveDirectly:
- ./scripts/donate.sh
- 27
- -1661997
- 5
- How It Works
- The donate script uses Bankr's arbitrary transaction feature to:
- Approve USDC to the Endaoment OrgFundFactory
- Call
- deployOrgAndDonate(orgId, amount)
- which:
- Deploys the charity's entity contract on Base (if not already deployed)
- Donates the specified USDC amount
- Popular Charities
- Charity
- EIN
- GiveDirectly
- 27-1661997
- North Shore Animal League America
- 11-1666852
- American Red Cross
- 53-0196605
- Doctors Without Borders
- 13-3433452
- ASPCA
- 13-1623829
- See
- references/popular-charities.md
- for more.
- Contract Addresses (Base)
- Contract
- Address
- Registry
- 0x237b53bcfbd3a114b549dfec96a9856808f45c94
- OrgFundFactory
- 0x10fd9348136dcea154f752fe0b6db45fc298a589
- USDC
- 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 The EIN (e.g., "11-1666852") is encoded as bytes32: "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