Sendmux Email Inbox API + Sending
Provides email infrastructure for AI agents: creating agent mailboxes, receiving/parsing inbound email into clean JSON, sending outbound mail, and routing acro…
What it does
The specific capability behind this listing, and where to get it.
Provides email infrastructure for AI agents: creating agent mailboxes, receiving/parsing inbound email into clean JSON, sending outbound mail, and routing across providers with quotas and failover
Official Sendmux Email Inbox API + Sending links
Pricing & plans
Observed public pricing for Sendmux Email Inbox API + Sending, benchmarked against comparable providers. Plans, tiers, history and scenario below.
$0.00 /
The current price sits below the comparable median.
$0.00 is positioned against a $10–$40 observed middle market.
Why Agentery reaches that view
price_benchmark100% below the median.
get_provider_profile · plan historyper observed 2026-10-23.
pricing recommendationPercentile unavailable for this basis.
confidenceSource page rechecked daily.
Test a different price for this plan.
Move the proposed monthly price. Agentery recalculates the provider’s market position and explains the likely percentile.
Is Sendmux Email Inbox API + Sending good value?
How its price compares with genuinely comparable providers.
Below the comparable median for its buyer tier.
Basis: Pro flat plans at the same billing unit (16 providers), USD monthly, pricing observed 2026-10-23. The Pro plan ($7/mo) sits 65% below that median of $20. Other cohorts on this page (niche-wide tier peers, nearest products by capability) are labelled where they appear.
Compared with Agent Email Infrastructure
Positioned against the observed p25 / median / p75 of comparable providers at the same buyer tier and billing unit (the basis is stated with each verdict above). See the plans above for the percentile and its cohort size, and the full niche market for peers.
View the full niche →Sendmux Email Inbox API + Sending's local market
Nearest products by what they do — a different cohort from the buyer-tier benchmark above. Local median $9/mo (entry prices of 22 priced of 50 nearest products, any tier or billing unit) — Sendmux Email Inbox API + Sending is 22% below it.
See the MCP response behind this page · get_provider_profile()
See the MCP response behind this pageget_provider_profile (get_agent_profile remains a callable alias)
{
"agent_id": "product_mcp",
"name": "Sendmux Email Inbox API + Sending",
"url": "https://sendmux.ai",
"logo": "https://agentery.com/logos/CP-PMPWRX.svg",
"niche": "agent-email-infrastructure",
"category": "developer-tools-infra",
"short_summary": "Provides email infrastructure for AI agents: creating agent mailboxes, receiving/parsing inbound email into clean JSON, sending outbound mail, and routing acro…",
"task_performed": "Provides email infrastructure for AI agents: creating agent mailboxes, receiving/parsing inbound email into clean JSON, sending outbound mail, and routing across providers with quotas and failover",
"inputs_accepted": [
"Inbound emails (raw MIME)",
"API/SMTP requests",
"attachments",
"provider credentials (OAuth/SMTP)"
],
"outputs_produced": [
"Clean structured JSON of email content (signatures/quotes stripped)",
"sent emails",
"delivery events/webhooks",
"logs",
"routing decisions"
],
"integrations_available": [
"Gmail",
"SendGrid",
"Mailgun",
"Resend",
"Microsoft/Outlook",
"Postmark",
"SMTP",
"HTTP API",
"MCP",
"SDK",
"CLI",
"webhooks",
"OAuth"
],
"protocols_or_interfaces": [
"MCP",
"A2A",
"API",
"SDK",
"webhooks"
],
"industry_fit": [
"developer tools"
],
"autonomy_level": "infrastructure",
"human_approval_needed": "unclear",
"pricing_model": "usage-based",
"price": {
"observed": true,
"billing": "freemium",
"source_kind": "vendor",
"currency": "USD",
"lowest_monthly_usd": 7,
"monthly_usd": 7,
"headline": "Free plan; paid from $7/mo",
"commercial": {
"entry_offer": {
"line": "Pro",
"monthly_native": 7,
"monthly_usd": 7,
"commitment": "monthly",
"basis": "$7/month",
"billing_verified": true
},
"rates": [
{
"line": "Connected outbound",
"per": "per unit",
"text": "$0.5 per unit"
},
{
"line": "Managed sending",
"per": "per unit",
"text": "$0.75 per unit"
},
{
"line": "Inbound",
"per": "per unit",
"text": "$0.5 per unit"
},
{
"line": "Storage",
"per": "per GB",
"text": "$0.02 per GB"
}
],
"currency": "USD",
"lines": [
{
"name": "Free",
"price": "$0 / team · mo",
"kind": "free",
"billed": "monthly"
},
{
"name": "Pro",
"price": "$7 / team · mo + usage",
"kind": "base_subscription",
"billed": "monthly"
},
{
"name": "Enterprise",
"price": "Custom",
"kind": "custom"
},
{
"name": "Connected outbound",
"price": "$0.50/ 1,000",
"kind": "usage_rate",
"unit": "unit",
"billed": "usage"
},
{
"name": "Managed sending",
"price": "$0.75/ 1,000",
"kind": "usage_rate",
"unit": "unit",
"billed": "usage"
},
{
"name": "Inbound",
"price": "$0.50/ 1,000",
"kind": "usage_rate",
"unit": "unit",
"billed": "usage"
},
{
"name": "Storage",
"price": "$0.02/ GB · mo",
"kind": "usage_rate",
"unit": "GB",
"billed": "usage"
}
]
},
"summary": "Free plan; paid from $7/mo. Sendmux offers a free team plan, a $7-per-team monthly Pro plan with metered usage, and custom Enterprise pricing.",
"confidence": "high",
"source_url": "https://sendmux.ai/pricing/",
"checked_at": "2026-10-23T02:45:35.634Z",
"amount": 7,
"display": "From $7/mo",
"plans": [
{
"name": "Free",
"price": "$0 / team · mo",
"period": "month",
"persona": "free",
"highlights": [
"Fixed limits",
"$1 usage credit",
"2 mailboxes",
"1 active team"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Pro",
"price": "$7 / team · mo + usage",
"usage": true,
"period": "month",
"persona": "pro",
"highlights": [
"Prepaid usage on top of team fee",
"Unlimited teams, domains, mailboxes, and team members",
"No outgoing email footer"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Enterprise",
"price": "Custom",
"period": null,
"persona": "enterprise",
"highlights": [
"Contract pricing",
"Postpaid usage",
"Dedicated infrastructure",
"Custom SLAs"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Connected outbound",
"price": "$0.50/ 1,000",
"usage": true,
"period": "usage",
"persona": "individual",
"highlights": [
"$0.000500 per provider-accepted recipient"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Managed sending",
"price": "$0.75/ 1,000",
"usage": true,
"period": "usage",
"persona": "individual",
"highlights": [
"$0.000750 per provider-accepted recipient"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Inbound",
"price": "$0.50/ 1,000",
"usage": true,
"period": "usage",
"persona": "individual",
"highlights": [
"$0.000500 per distinct mailbox delivery"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Storage",
"price": "$0.02/ GB · mo",
"usage": true,
"period": "usage",
"persona": "individual",
"highlights": [
"Per decimal GB-month"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
}
],
"source": "render+llm"
},
"trust_or_rating_signal": [],
"evidence_quality": "high",
"entity_type": "infrastructure",
"regulated_data_suitability": "unclear",
"evidence_urls": [
"https://sendmux.ai"
],
"last_checked": "2026-10-23",
"profile_checked": "2026-06-19",
"price_checked": "2026-10-23",
"how_to_connect": {
"website": "https://sendmux.ai",
"docs": null,
"mcp": null,
"a2a": null,
"api": null,
"protocols": [
"MCP",
"A2A"
],
"install": null,
"repository": null,
"note": "Speaks MCP, A2A but publishes no endpoint we could verify — check the docs/website."
},
"deployment": {
"model": "hosted",
"both_offered": false,
"hosted_endpoint": null,
"install": null,
"note": "Vendor-hosted connector: connect to the published endpoint; nothing to install.",
"evidence": {
"sources": [
"plan_name:hosted"
],
"excerpt": null,
"url": "https://sendmux.ai/pricing/",
"observed_day": "2026-10-23",
"age_days": 1,
"hosted_evidence": "plan \"Managed sending\"",
"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://sendmux.ai/pricing/",
"last_observed_day": "2026-10-23",
"age_days": 1,
"verified_day": "2026-10-23",
"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"
}
},
"product_group": {
"group_id": 21,
"group": "Email automation tasks",
"change_90d_pct": -1.17,
"fair_price_by_tier_monthly_usd": {
"individual": 12,
"pro": 24,
"team / small business": 79,
"enterprise": 549.45
},
"note": "Change of the group's price index over the last 90 days. Call get_group_fair_price with group_id for tier and payment-model detail.",
"page": "https://agentery.com/aepi/groups/21"
},
"liveness": {
"probed": true,
"alive": true,
"endpoint_kind": "site",
"latency_ms": 584,
"uptime_7d": 1,
"checked_at": "2026-10-23T02:42:07.665Z",
"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."
}