# Global Score Agent > Reputation and trust infrastructure for the ERC-8004 agent ecosystem. ## Products - HUMI Index: 0–100 reputation score for autonomous agents (ERC-8004). - WAMI Index: 0–100 reputation score for owner wallets linked to agents. - Walcert Agent: autonomous ERC-8004 agent issuing A–F wallet maturity certificates (origins, activity, multichain, portfolio) via HTTP JSON + x402. Live identities: Celo 9699 (issuance + Aigora), Base 59768, Ethereum 50032, BNB 265982, Concordium CIS-8004 #1686. Payments: $0.05 USDC on Celo, Base, and BNB (Permit2 + soulbound NFT receipt). Multichain provider: GoldRush v2.1. Presence: Virtuals ACP, Agent.family, Agent City, CDP Bazaar, Aigora. ## Canonical URLs - Portal (ERC-8004 ecosystem stats): https://globalscoreagent.com/ - HUMI Index: https://globalscoreagent.com/humi - WAMI Index: https://globalscoreagent.com/wami - Walcert Agent (product): https://globalscoreagent.com/walcert - Walcert developer reference: https://globalscoreagent.com/walcert/developers - Walcert agent card (JSON) / API: https://walcert.globalscoreagent.com/ - Walcert GSA dashboard (human): https://globalscoreagent.com/dashboard/walcert - Pricing: https://globalscoreagent.com/pricing - About: https://globalscoreagent.com/about - Documentation (hub): https://globalscoreagent.com/docs/global-score-agent - GSA Insights (ERC-8004 research blog): https://insights.globalscoreagent.com - Legal: https://globalscoreagent.com/legal ## Walcert — agent discovery (quick facts) - API base / agent card: https://walcert.globalscoreagent.com/ (GET / = bilingual agent card JSON) - Free preview: POST /v1/preview/{origins|activity} (rate limit 8 req/IP / 15 min) - Paid certificate: POST /v1/certificates/{origins|activity|multichain|portfolio} — x402 $0.05 USDC on Celo, Base, or BNB - Verify: POST /v1/verify with giveFeedback tx_hash (Celo anchor remains canonical) - Multichain scoring: GoldRush (Covalent) formula multichain-v2.1 — not Moralis - BNB receipt NFT (claim by payer): https://bscscan.com/address/0x4e430fB5A5f26ED08eC123373Cd8AD3cE15C24c7 - Aigora profile (same Celo 9699): https://aigora.org/services/42220_0x8004a169fb4a3325136eb29fa0ceb6d2e539a432_9699 - Public repo: https://github.com/MichBarbarian/walcert-agent - Full facts: https://globalscoreagent.com/llms-full.txt ## GSA Insights (ERC-8004 research) Editorial analysis and indexed on-chain data about the ERC-8004 agent ecosystem (identity, reputation, validation registries). - Insights hub: https://insights.globalscoreagent.com - On-chain identity vs off-chain information (Aug 24, 2026): https://insights.globalscoreagent.com/erc-8004-on-chain-card-vs-uri - ES: https://insights.globalscoreagent.com/erc-8004-on-chain-card-vs-uri?lang=es - Eight months of ERC-8004 on mainnet (Aug 2026): https://insights.globalscoreagent.com/erc-8004-eight-months-on-mainnet - ES: https://insights.globalscoreagent.com/erc-8004-eight-months-on-mainnet?lang=es ## Documentation Official product documentation (Spanish default; append `?lang=en` for English): - Platform overview: https://globalscoreagent.com/docs/global-score-agent - ERC-8004 standard: https://globalscoreagent.com/docs/erc-8004 - Pricing: https://globalscoreagent.com/docs/gsa-pricing - HUMI overview: https://globalscoreagent.com/docs/index-humi - HUMI technical spec: https://globalscoreagent.com/docs/index-humi-technical-spec - WAMI overview: https://globalscoreagent.com/docs/index-wami - WAMI technical spec: https://globalscoreagent.com/docs/index-wami-technical-spec - Full documentation index: https://globalscoreagent.com/llms-full.txt ## Language - Default: Spanish (es) - English UI and docs: append `?lang=en` to any URL above ## Contact - Email: hello@globalscoreagent.com - X: https://x.com/ibzjairvalenz - Farcaster: https://farcaster.xyz/globalscoreagent ## API and dashboard The wallet/agent lookup dashboard is available at https://globalscoreagent.com/auth/login. Public Free Tier API: https://api.globalscoreagent.com (see https://globalscoreagent.com/public-api). ## Sitemap https://globalscoreagent.com/sitemap.xml