# Resources

> Resources and Links

- Skill: `across-protocol/resources` (Agent Skill)
- Install (CLI): `npx skillmds@latest add across-protocol/resources`
- Raw SKILL.md: https://api.skillmd.com/api/skills/across-protocol/resources/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: across-protocol (https://skillmd.com/u/across-protocol)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/across-protocol/resources

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# Resources and Links

## Documentation
- Across Docs: https://docs.across.to
- API Reference: https://docs.across.to/reference/api-reference
- Contract Addresses: https://docs.across.to/reference/contract-addresses
- ERC-7683 Standard: https://erc7683.org

## SDK and Code
- App SDK (npm): https://www.npmjs.com/package/@across-protocol/app-sdk
- GitHub (protocol): https://github.com/across-protocol
- SDK v2 repo: https://github.com/across-protocol/sdk-v2
- API source code (serverless wrapper on SDK v2): https://github.com/across-protocol/frontend-v2/tree/master/api

## API Base URLs
- Mainnet: `https://app.across.to/api`
- Testnet: `https://testnet.across.to/api`
- Testnet Bridge UI: https://testnet.across.to/bridge

## Integrator Registration
Register to get your 2-byte hex integrator ID before going to production. This enables support and co-marketing.
- Registration form: https://docs.google.com/forms/d/e/1FAIpQLSe-HY6mzTeGZs91HxObkQmwkMQuH7oy8ngZ1ROiu-f4SR4oMw/viewform

## ERC-7683 Contracts (AcrossOriginSettler)
| Chain | Address |
|-------|---------|
| Base | 0x4afb570AC68BfFc26Bb02FdA3D801728B0f93C9E |
| Arbitrum | 0xB0B07055F214Ce59ccB968663d3435B9f3294998 |

## Community and Support
- Discord: https://discord.across.to
- Telegram: linked from https://docs.across.to/resources/support-links
- Twitter/X: linked from https://docs.across.to/resources/support-links
- Medium: linked from https://docs.across.to/resources/support-links

## Security
- Audits: https://docs.across.to/resources/audits
- Bug Bounty: https://docs.across.to/resources/bug-bounty
- Report bugs: bugs@across.to