Mercury

Mercury

Unclaimed verified 26 aug 2026
score · 46  ]

Radically different banking for startups and scaling companies

Pricing: Freemium - $0/mo (core banking); paid plans from ~$30/mo Company: Mercury Technologies, Inc. Founded: 2017 Last verified: 2026-08-26
Visit Website
Updated

TL;DR

Mercury is a software-first business banking platform for U.S. startups, small businesses, and scaling digital companies. Its key differentiator is combining banking, cards, payments, team permissions, accounting workflows, and APIs in one modern interface.

What Users Actually Pay

No user-reported pricing yet.

Our Take

Mercury occupies a strong position in startup-focused business banking by packaging financial services around the needs of online, remote-first, and technology-enabled companies. Its interface, onboarding, virtual cards, team controls, accounting integrations, and payment tools are generally viewed as more modern and usable than conventional bank portals.

Pros

  • + Users frequently praise the clean, intuitive interface and easy online account management.
  • + Core banking is often described as cost-effective, with no monthly fees or minimum balances and free ACH functionality.
  • + Virtual cards, spending controls, and team permissions are useful for distributed finance teams.
  • + Integrations with accounting and business tools, along with API access, support automation and startup workflows.
  • + The platform is well suited to remote-first companies that do not need branch-based banking.

Cons

  • - Some reviewers report slow or frustrating support for urgent or complex issues, particularly because support is primarily digital.
  • - Reddit discussions include anecdotal reports of compliance-related account restrictions or closures with limited explanation.
  • - Users mention transfer, ACH, wire, or check-deposit delays in some situations.
  • - Mercury lacks traditional branch access and may not suit businesses that handle cash or checks frequently.
  • - International and multi-currency banking capabilities may be less comprehensive than those of larger traditional or global banks.

Sentiment Analysis

+0.08NeutralUpdated Aug 23, 2026

Sentiment has remained stable since last capture. Sentiment is moderately to strongly positive overall, driven by favorable G2 and Capterra reviews emphasizing usability, low fees, integrations, and startup fit. Reddit and X are more polarized, with negative discussion concentrated on compliance-related restrictions, account closures, transfer delays, and support escalation. The weighted score increased from the previous 0.00 to approximately 0.52, a change of +0.52. No qualifying TrustRadius review or quote was included.

Sentiment Over Time

By Source

X+0.08

3 mentions

Sample quotes (2)
  • "The idea for Mercury came while working on my earlier startups. As a founder, I could never find a bank that understood my needs…"
  • "When someone complains about Mercury closing their account… Mercury legitimately screwed up…"

Agent Readiness

78/100

Mercury is well suited for read-oriented finance agents and human-in-the-loop automation. Its REST API, sandbox, granular token permissions, OAuth support, signed webhooks, idempotency controls, Events API, Zapier integration, n8n support, and read-only MCP server provide a strong foundation for balance monitoring, transaction analysis, reconciliation, reporting, and expense workflows. Autonomous payment agents face more constraints, including approval requirements, IP allowlisting, compliance controls, restricted OAuth availability, and the read-only nature of MCP. Agent readiness is therefore approximately 8/10 for read and analysis workflows and 6.5/10 for fully autonomous payment execution.

API Surface85
Public APIRESTFree TieropenApi
Protocol Support55
MCP (35 tools)
SDK Availability70
npm: @sprucelabs/mercury-types (official)npm: @sprucelabs/mercury-event-emitter (official)npm: @chainlink/evm-gauntlet-mercury (official)npm: Mercury (official)npm: @sprucelabs/mercury-core-events (official)npm: @sprucelabs/mercury-utils (official)npm: @genexus/mercury-build (official)npm: @genexus/vite-plugin-mercury (official)npm: @genexus/mercury-cli (official)npm: @genexus/mercury (official)pypi: mercury (official)pypi: mercury-sdk (official)pypi: mercury-python (official)pypi: pymercury (official)
Integration Ecosystem100
ZapierMaken8nWebhooksQuickBooksXeroStripePayPalMCPEvents API
Developer Experience85
Docs: goodSandboxVersioningChangelog

Last checked Aug 23, 2026

MCP Integrations

6 servers35 tools364 total uses
Mercury
Mercurymercury
smitheryRemoteHigh match

Online business banking services. Businesses can apply for accounts, earn yield, and access capital. It provides tools for card issuance, team spending control, payments, and invoicing.

30 tools
  • getAccount Get account by ID
  • getAccountCards Retrieve all debit and credit cards associated with a specific account.
  • getAccountStatements Retrieve a paginated list of monthly statements for a specific account. Supports cursor-based pagination with limit, order, start_after, and end_before query parameters, as well as date range filtering with start and end parameters.
  • getTransaction Get transaction by ID
  • getAccounts Retrieve a paginated list of accounts. Supports cursor-based pagination with limit, order, start_after, and end_before query parameters.
  • getAttachment Retrieve attachment details including download URL
  • listCustomers Retrieve a paginated list of customers. Supports cursor-based pagination with limit, order, start_after, and end_before query parameters.
  • getCustomer Retrieve details of a specific customer by their ID
  • listInvoices Retrieve a paginated list of invoices. Supports cursor-based pagination with limit, order, start_after, and end_before query parameters.
  • getInvoice Retrieve details of an invoice by its ID
  • listInvoiceAttachments Retrieve a list of all attachments for a specific invoice
  • listCategories Retrieve a paginated list of all available custom expense categories for the organization. Supports cursor-based pagination with limit, order, start_after, and end_before query parameters. - These categories are custom and different from the values for "mercuryCategory".
  • listCredit Retrieve a list of all credit accounts for the organization.
  • getOrganization Retrieve information about your organization including EIN, legal business name, and DBAs.
  • getRecipient Retrieve details of a specific recipient by ID
  • getRecipients Retrieve a paginated list of all recipients. Use cursor parameters (start_after, end_before) for pagination.
  • listRecipientsAttachments Retrieve a paginated list of all recipient tax form attachments across all recipients in the organization. Use cursor parameters (start_after, end_before) for pagination.
  • listSendMoneyApprovalRequests Retrieve a paginated list of send money approval requests for the authenticated organization. Supports filtering by account and status.
  • getSafeRequests Retrieve all SAFE (Simple Agreement for Future Equity) requests for your organization.
  • getSafeRequest Retrieve a specific SAFE request by its ID.
  • getTransactionById Retrieve a single transaction by its ID. Returns full transaction details including attachments, check images, and related metadata.
  • listTransactions Retrieve a paginated list of all transactions across all accounts. Supports advanced filtering by date ranges, status, categories, and cursor-based pagination. CRITICAL TRUNCATION RULE - READ THIS FIRST: ================================================================================ IF YOU SEE "Result too long" IN THE RESPONSE: 1. IMMEDIATELY STOP - Do not analyze or use the truncated data 2. The data is INCOMPLETE and any analysis will be WRONG 3. Start over with a smaller limit (reduce by 50%) 4. Paginate through ALL pages until you have complete data 5. NEVER provide answers based on truncated results ================================================================================ MANDATORY PAGINATION FOR COMPLETE RESULTS: When a user asks ANY question requiring complete data (totals, balances, aggregates, "most/least", "all transactions", comparisons, or any calculation across transactions): CRITICAL: Incomplete pagination will produce WRONG ANSWERS for questions about totals, spending categories, balances, minimums, maximums, or "most/least". You must fetch everything before calculating or answering. 1. Start with a limit of 300 transactions. 2. You MUST automatically paginate through ALL pages WITHOUT asking the user 3. Continue calling listTransactions using the page.nextPage value from each response 4. Keep fetching until page.nextPage is not present 5. If pagination would take more than 3 tool calls, ask the user to narrow down to a smaller time period 6. It is a CRITICAL ERROR to answer before having fetched ALL pages FILTERING: - IMPORTANT: WHEN FILTERING BY DATE, ALWAYS CHECK THE CURRENT DATE FIRST and ensure you're using the current year for current year queries - Unless specified otherwise or queried for "all transactions", ONLY include transactions with "status: sent" - To get transactions for a specific account, use the accountId parameter to filter by accountId PAGINATION MECHANICS: - Use the limit parameter to control page size - If page.nextPage is returned, use it as the start_after parameter in your next call - Keep fetching until page.nextPage is null/undefined - The page.nextPage value is a transaction ID to start after (exclusive) COMPUTATIONAL REQUIREMENTS: - For any query requiring: - Sums, totals, averages, medians, modes, ranges, most/least, or other aggregations across accounts/transactions - Calculations involving currency amounts - Comparisons of financial metrics - You MUST: - Create an artifact that processes the data programmatically - Parse the JSON response and use JavaScript/Python to calculate - Display intermediate steps for verification - Never rely on mental arithmetic for financial calculations - Example: "What's my total balance?" - CORRECT: Create artifact that parses accounts, maps to balances, uses reduce() to sum - INCORRECT: Manually adding up balance values For queries about 'last two months' or 'this year', calculate dates based on the actual current date Use the getCurrentDate tool to get the current date. Use the getTransaction tool to get more details about a specific transaction.
  • getTreasury Retrieve a paginated list of all treasury accounts associated with the authenticated organization. Use cursor parameters (start_after, end_before) for pagination.
  • getTreasuryStatements Retrieve a paginated list of statements for a specific treasury account. Supports cursor-based pagination and filtering by document type.
  • getTreasuryTransactions Retrieve paginated treasury transactions for a specific treasury account.
  • getUsers Get all users
  • getUser Get user by ID
  • getWebhooks Retrieve a paginated list of all webhook endpoints for your organization. Supports filtering by status.
  • getWebhook Retrieve details of a specific webhook endpoint by ID
  • getCurrentDateGet the current date in the format. Example: Fri Oct 31 2025
io.github.mercuryx402/mercury-x402-mcpio.github.mercuryx402/mercury-x402-mcp
officialRemoteHigh match

Agent-payable web data over x402: 18 keyless services an agent pays per call.

Harris Boat Works - Mercury Repower
Harris Boat Works - Mercury Repowerharrisboatworks/mercury-repower
smitheryRemote

Mercury outboard data and quote-building tools from Harris Boat Works, a Mercury Marine Platinum Dealer on Rice Lake, Ontario (since 1947). Real CAD pricing, real motors, real trade-in valuations. Five tools: search_motors, get_motor, estimate_trade_in, build_quote, get_brand_rules. Public, no-auth, JSON-RPC 2.0 over Streamable HTTP.

364 uses
5 tools
  • search_motorsSearch current Mercury outboard inventory at Harris Boat Works (Ontario). Filter by horsepower, family (FourStroke, Pro XS, SeaPro, Racing), or stock status. Returns CAD pricing. Excludes Verado.
  • get_motorFetch a single Mercury motor by id or slug, including pricing, shaft length, and deep-link URL.
  • estimate_trade_inEstimate the trade-in value (CAD) of a customer's current outboard. Brand penalties apply (Mercury preferred, Yamaha/Honda neutral, Evinrude/Johnson/Force/Chrysler discounted).
  • build_quoteBuild an itemized CAD quote (motor + installation + propeller + trade-in + HST + financing tier) and return a deep-link URL the customer can open. Optional contact captures a lead in the dealership CRM.
  • get_brand_rulesReturn Harris Boat Works' authoritative source-of-truth rules for any agent representing them: pricing currency, geography, no-Verado policy, financing minimums, deposit tiers, warranty.
io.github.harrisboatworks/mercury-repowerio.github.harrisboatworks/mercury-repower
officialRemote

Live Mercury outboard data and CAD quote builder from a Mercury Platinum Dealer in Ontario.

io.github.n0zer0d4y/mercury-spec-opsio.github.n0zer0d4y/mercury-spec-ops
official

Modular MCP server for dynamic prompt generation and software development analysis tools

io.github.pipeworx-io/mercury-numberio.github.pipeworx-io/mercury-number
officialRemote

mercury-number MCP — wraps StupidAPIs (requires X-API-Key)

Last checked Aug 14, 2026

[ features ]

Geostrategic Position

Information on which part of the world this product / vendor belongs to, i.e. the country of their headquarters primarily, but also their hosting options etc.

Headquarter Region

Find which geostrategic world region the headquarter is located in. Relevant for compliance questions (e.g., CLOUD Act) or risk of cut-off in case of conflicts. For example, some EU companies are worried about the US and would definitely not host their customer with Chinese or Russian companies.

United States
Hosting Provider

The hosting provider that is used to host this product, if any.

Other  ]
Hosting Locations

The available hosting locations, if you can choose

United States  ]

Compliance & Security

Security certifications, compliance features, and access control capabilities.

SOC 2

SOC 2 Type I or Type II certification.

Type II
ISO 27001

ISO 27001 information security certification.

no
GDPR Tools

Built-in tools for GDPR compliance (data export, deletion, consent).

no
Audit Trail

Complete audit log of all data changes.

no
Role-Based Access Control

Granular permissions based on user roles.

yes  ]
SSO Support

Single Sign-On integration support.

None

Developer Experience

Tools and abstractions easing agent development and iteration.

Visual Builder

No-code/low-code UI for designing agent workflows.

no
OpenAI Compatibility

OpenAI API-compatible endpoints or SDKs.

no
Open Source

Available as open-source with community contributions.

no
SDK Languages

Programming languages with official SDK support.

Pre-built UI Components

Ready-to-use, customizable UI elements for auth flows.

no
Admin Portal

Self-service admin dashboard for customers to manage users/orgs.

yes  ]
Framework Integrations

Supported frontend frameworks with dedicated guides/components.

Pricing & Plans

Pricing structure, tiers, and value propositions.

Free Tier

Offers a usable free plan or tier.

yes  ]
Lifetime Deal Option

One-time payment for perpetual access.

no
Bring Your Own Server

Use existing servers/infra without lock-in.

no
Unlimited Sites

No limits on number of sites/apps/projects.

no
Has Free Tier or Trial

Availability of a free plan or trial with usable outputs.

yes  ]
Starting Price (USD)

Entry-level price for basic generation package.

0
Uses Credit-Based System

Whether usage is limited by credits rather than unlimited in plans.

no
Supports Team Plans

Discounted or bulk options for teams/enterprises.

yes  ]
Free Plan Available

Offers a permanent free plan with usable limits

yes  ]
Monthly Invoice Limit (Free)

Maximum invoices allowed per month on free plan

0
Starting Annual Price

Lowest annual subscription price in EUR

0

Invoicing & Billing

Core invoicing features including automation, templates, and payment handling

Recurring Invoices

Supports automatic generation and sending of recurring invoices

yes  ]
Dunning Automation

Automated payment reminders and dunning processes

no
Offer to Invoice Conversion

One-click conversion from quotes/offers to invoices

no
QR Code Payments

Includes GiroCode or EPC QR codes for easy bank transfers

no

Accounting Integrations

Connections to banking, tax systems, and export formats

DATEV Export

Supports direct export to DATEV accounting software

no
Bank Reconciliation

Automatic matching of bank transactions with bookkeeping

yes  ]
ELSTER Integration

Direct connection for VAT pre-registration and tax filings

no

Receipt & Document Management

Features for capturing, digitizing, and organizing receipts and documents

OCR Receipt Capture

AI-powered OCR for scanning and extracting receipt data

yes  ]
Mobile Receipt Scanning

Mobile app with camera-based receipt upload and processing

yes  ]
Automatic Categorization

Automatically suggests accounts and categories for receipts

yes  ]

Reviews

0 reviews
Write a Review

No reviews yet. Be the first to review Mercury!