Send21io

{
  "agent_id": "send21io_mcp",
  "name": "Send21io",
  "url": "https://send21.io",
  "logo": "https://agentery.com/logos/CP-WR36FF.svg",
  "niche": "agent-wallet-payments",
  "category": "financial-services",
  "short_summary": "Non-custodial pay links for humans and AI agents: BTC on-chain and Lightning, USDC, USDT, EURC, SOL, ETH. The agent proposes a payment draft and the payer sign…",
  "task_performed": "Non-custodial pay links for humans and AI agents: BTC on-chain and Lightning, USDC, USDT, EURC, SOL, ETH. The agent proposes a payment draft and the payer signs in their own wallet. send21 never holds keys or funds.",
  "inputs_accepted": [],
  "outputs_produced": [],
  "integrations_available": [
    "MCP"
  ],
  "protocols_or_interfaces": [
    "MCP"
  ],
  "industry_fit": [
    "general business"
  ],
  "autonomy_level": "infrastructure",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": true,
    "billing": "usage",
    "source_kind": "vendor",
    "currency": "USD",
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "Free",
    "commercial": {
      "currency": "USD",
      "lines": [
        {
          "name": "$0 to $10 payment amount",
          "price": "0.49%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$10 to $50 payment amount",
          "price": "0.39%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$50 to $100 payment amount",
          "price": "0.29%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$100 to $500 payment amount",
          "price": "0.19%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$500 to $2,000 payment amount",
          "price": "0.14%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$2,000 to $10,000 payment amount",
          "price": "0.09%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$10,000 to $50,000 payment amount",
          "price": "0.04%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$50,000 to $100,000 payment amount",
          "price": "0.02%",
          "kind": "free",
          "billed": "monthly"
        },
        {
          "name": "$100,000+ payment amount",
          "price": "0.01%",
          "kind": "free",
          "billed": "monthly"
        }
      ]
    },
    "summary": "Free. send21 charges a per-payment fee ranging from 0.49% on payments up to $10 to 0.01% on payments above $100,000, with a $0.01 minimum and $100 maximum.",
    "confidence": "high",
    "source_url": "https://send21.io/pricing",
    "checked_at": "2026-10-08T04:26:17.935Z",
    "amount": null,
    "display": null,
    "plans": [
      {
        "name": "$0 to $10 payment amount",
        "price": "0.49%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment",
          "Minimum fee $0.01"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$10 to $50 payment amount",
        "price": "0.39%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$50 to $100 payment amount",
        "price": "0.29%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$100 to $500 payment amount",
        "price": "0.19%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$500 to $2,000 payment amount",
        "price": "0.14%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$2,000 to $10,000 payment amount",
        "price": "0.09%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$10,000 to $50,000 payment amount",
        "price": "0.04%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$50,000 to $100,000 payment amount",
        "price": "0.02%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "$100,000+ payment amount",
        "price": "0.01%",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Fee per payment",
          "Maximum fee $100"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [],
  "evidence_quality": "medium",
  "entity_type": "infrastructure",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://send21.io"
  ],
  "last_checked": "2026-10-07",
  "how_to_connect": {
    "website": "https://send21.io",
    "docs": null,
    "mcp": {
      "endpoint": "https://send21.io/mcp",
      "transport": "http",
      "config_snippet": "{\n  \"mcpServers\": {\n    \"send21io_mcp\": {\n      \"url\": \"https://send21.io/mcp\"\n    }\n  }\n}"
    },
    "a2a": null,
    "api": null,
    "protocols": [
      "MCP"
    ],
    "install": null,
    "repository": null
  },
  "deployment": {
    "model": "hosted",
    "both_offered": false,
    "hosted_endpoint": "https://send21.io/mcp",
    "install": null,
    "note": "Vendor-hosted connector: connect to the published endpoint; nothing to install.",
    "evidence": {
      "sources": [
        "page_text:hosted"
      ],
      "excerpt": "ped keys, safe retries and batches of 25 drafts per call MCP server for AI agents at https://send21.io/mcp Signed webhooks and email notifications Recurring payments (dai",
      "url": "https://send21.io/pricing",
      "observed_day": "2026-10-08",
      "age_days": 0,
      "hosted_evidence": "vendor endpoint URL on the page",
      "rule": "deploy-v1"
    }
  },
  "licence": {
    "name": null,
    "note": "No named licence found in the retained page text or source attributes. A public repository alone does not establish an open-source licence.",
    "evidence": null
  },
  "evidence_checks": {
    "price": {
      "source_url": "https://send21.io/pricing",
      "last_observed_day": "2026-10-08",
      "age_days": 0,
      "verified_day": "2026-10-08",
      "note": "verified = the page-text gate ran for that scan day (day-before/day-of text check)"
    },
    "agent_card": {
      "status": "unknown",
      "note": "no Agent Card URL recorded for this listing"
    },
    "endpoint": {
      "status": "unknown",
      "note": "endpoint not yet checked"
    }
  },
  "price_history_available": "Pass price_history:true for this provider's dated plan prices (observation dates, original currency).",
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 511,
    "uptime_7d": null,
    "checked_at": "2026-10-08T02:45:07.984Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}