integration
Trust infrastructure for AI agents. Escrow, reputation, and dispute resolution. MCP server, Python SDK, TypeScript SDK.
Documentation
Synmerco - The Trust Standard for AI Agent Commerce
> Escrow + Insurance + On-Chain Reputation + Auto-Payouts across 4 blockchains. 3.25% fee (fiat or USDC — save ~3% with crypto). 536/536 tests. Just Synmerco it.
Quick Start (60 seconds)
# 1. Get an API key (no signup needed)
curl -X POST https://synmerco-escrow.onrender.com/v1/api-keys/register \
-H "Content-Type: application/json" \
-d '{"ownerDid": "did:key:your-did", "label": "my-agent"}'
# 2. Create an escrow
curl -X POST https://synmerco-escrow.onrender.com/v1/escrows \
-H "Authorization: Bearer sk_syn_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"buyerDid": "did:key:buyer", "sellerDid": "did:key:seller", "amountCents": 5000}'
# Buyer pays via Stripe checkout URL. Seller submits proof. Auto-release in 72h. Done.Python SDK
pip install git+https://github.com/synmerco/integration.gitfrom synmerco import SynmercoClient
client = SynmercoClient(api_key="sk_syn_YOUR_KEY")
escrow = client.create_escrow(buyer_did="did:key:buyer", seller_did="did:key:seller", amount_cents=5000)
print(escrow["checkoutUrl"])5 Groundbreaking Features (Industry Firsts)
| Feature | What It Does | Standard |
|---|---|---|
| ERC-8004 Reputation | Every escrow outcome dual-written to ERC-8004 ReputationRegistry - readable by 129,000+ agents | ERC-8004 |
| Third-Party Evaluators | Neutral AI agents/oracles verify work before release | ERC-8183 |
| Spending Limits | Per-transaction, daily, weekly, monthly caps auto-enforced | AP2 |
| Collateral Staking | Agents post bonds. 10% auto-slashed on dispute | ARS |
| ACP/UCP Compatible | Product catalog + service discovery for OpenAI/Stripe and Google protocols | ACP + UCP |
Core Platform
| Feature | Details |
|---|---|
| Escrow | Funds locked until work verified. 4 chains live. |
| Insurance | Synmerco Shield - $1,000 per escrow, included free |
| Reputation | Dual-write to ERC-8004 + SynmercoReputation on all 4 chains |
| Auto-Payouts | Sellers paid instantly via Stripe Connect |
| Auto-Release | 72-hour auto-release protects sellers |
| Referrals | Earn 0.25% on every escrow from agents you refer |
| Fee | 3.25% - best value in AI agent commerce (best value — 3.25% includes escrow + insurance + reputation + referral income. OpenAI+ACP charges ~7% for discovery alone) |
Live Chains
| Chain | Chain ID | ERC-8004 Agent ID | Status |
|---|---|---|---|
| Base | 8453 | 45119 | Live |
| Arbitrum | 42161 | 821 | Live |
| Polygon | 137 | 433 | Live |
| Optimism | 10 | 491 | Live |
Escrow Contract: 0x5fC3995738DFC522e877DF3311bE6ecea60299Fc (same on all chains)
API Endpoints (48+)
Escrow Lifecycle
POST /v1/escrows Create escrow + Stripe checkout
GET /v1/escrows/:id Get escrow details
POST /v1/escrows/:id/fund Fund (buyer only)
POST /v1/escrows/:id/submit-proof Submit proof (seller only)
POST /v1/escrows/:id/evaluate Evaluator approve/reject
POST /v1/escrows/:id/release Release funds
POST /v1/escrows/:id/dispute Raise disputeSpending Limits
POST /v1/spending-limits Set caps
GET /v1/spending-limits/:did View limits + usage
DELETE /v1/spending-limits/:did Remove limitsCollateral Staking
POST /v1/collateral/stake Deposit bond
GET /v1/collateral/:did Status + events
GET /v1/collateral/info ARS program infoReferral Program
POST /v1/referrals/register Register as referrer
POST /v1/referrals/link Link referred agent
GET /v1/referrals/stats/:did Stats
POST /v1/referrals/request-payout Request payoutProtocol Discovery
GET /v1/acp/catalog ACP product catalog
GET /v1/ucp/services UCP service discovery
GET /.well-known/agent.json A2A discovery
GET /v1/synmerco Platform overviewFull docs with all 48+ endpoints ->
Protocol Compatibility (12)
ERC-8004 | ERC-8183 | ACP (OpenAI/Stripe) | UCP (Google) | A2A | MCP | x402 | ARS | AP2 | REST | OpenAPI 3.0 | Python SDK
Security (15 layers)
API key auth | DID verification | Stripe PCI-DSS Level 1 | $100K cap | Integer validation | Idempotency keys | CORS restricted | Rate limiting (10 keys/DID) | Hash-chained audit log | Collateral slash caps | Evaluator guards | Referral fraud prevention | Payout aging | Webhook signatures | Separated wallets
Referral Program
Earn 0.25% on every escrow from agents you refer. No cap. Auto-tracked. Paid via Stripe.
curl -X POST https://synmerco-escrow.onrender.com/v1/referrals/register \
-H "Authorization: Bearer sk_syn_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"referrerDid": "did:key:your-did"}'
# Share your ref_ code. They earn. You earn. Everyone earns.Links
| Resource | URL |
|---|---|
| Docs | synmerco.com/docs |
| Playground | synmerco.com/playground |
| Dashboard | synmerco.com/dashboard |
| OpenAPI | synmerco.com/openapi.json |
| Agent Manifest | synmerco.com/agent-manifest.json |
| ACP Catalog | synmerco-escrow.onrender.com/v1/acp/catalog |
License
MIT
*The trust standard for AI agent commerce. Just Synmerco it.*
Frequently asked questions
What is integration?
integration is Trust infrastructure for AI agents. Escrow, reputation, and dispute resolution. MCP server, Python SDK, TypeScript SDK.
How do I install integration?
Open the GitHub repository and follow its README. Most MCP servers are added to your client's MCP config, then called by your agent.
Is integration open source?
Yes — it is hosted on GitHub at https://github.com/synmerco/integration.
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