{ "data": { "a": { "slug": "invoice-ninja", "name": "Invoice Ninja API", "vendor": "Invoice Ninja", "vendorUrl": "https://www.invoiceninja.com", "kind": "http-api", "category": "accounting", "summary": "Source-available invoicing platform (Laravel) you can self-host or use hosted at invoicing.co.", "url": "https://www.anchorterminal.com/tools/invoice-ninja", "markdownUrl": "https://www.anchorterminal.com/tools/invoice-ninja.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/invoice-ninja.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/invoice-ninja.json", "repo": "https://github.com/invoiceninja/invoiceninja", "license": "Elastic License 2.0", "transports": [ "http" ], "remoteUrl": "https://invoicing.co/api/v1", "packages": [], "auth": "api-key", "authNotes": "An API token from Settings, Account Management, Integrations, sent as `X-API-TOKEN`, plus `X-Requested-With: XMLHttpRequest` on every call. Self-hosted installs can also log in with email and password to get a token, and need `X-API-SECRET` on the login route when API_SECRET is set in .env. The demo at demo.invoiceninja.com accepts the token `TOKEN`.", "pricing": "freemium", "pricingNotes": "Hosted plans are Free (up to 5 clients, 1 user, unlimited invoices), Ninja Pro at $14 a month or $140 a year with unlimited clients and REST API access, Enterprise from $18 a month for 1 to 2 users up to $300 a month for 51 to 100 users, adding bank sync and PEPPOL e-invoicing, and Premium Business from $280 a year with developer support. Self-hosting is free under the Elastic License 2.0 with every Pro and Enterprise feature, and a white-label licence to remove the branding is $40 a year (https://invoiceninja.com/pricing-plans/).", "priceSummary": "$14 / mo", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 10000, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://api-docs.invoicing.co/", "openapi": "https://github.com/invoiceninja/invoiceninja/blob/v5-stable/openapi/api-docs.yaml", "capabilities": [ "accounting.invoices", "accounting.reports" ], "tags": [ "hosted", "self-hosted", "source-available", "freemium", "free-tier", "openapi", "webhooks", "status-page" ], "lastRelease": "2026-09-18", "graded": true, "anchor": { "graded": true, "score": 52.4, "grade": "D", "agentReady": false, "rank": 342, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 60, "maintenance": 83, "payments": 35, "reliability": 36, "schema": 66, "security": 48, "transparency": 65 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": -1, "negativeNotes": [ "-1: two moderate stored XSS advisories published 22 and 23 March 2026, GHSA-98wm-cxpw-847p (invoice line items, CVSS 5.4, fixed in 5.13.4) and GHSA-xph7-9749-56mh (product notes). Fixed and disclosed in public, so the deduction is small (https://github.com/invoiceninja/invoiceninja/security/advisories)" ], "verdict": "OpenAPI 3 spec with 379 operations and curl and PHP examples on each path. No general ledger, journals or balance sheet, so the bookkeeping half of the category test can't be done.", "strengths": [ "OpenAPI 3 spec with 379 operations and curl and PHP examples on each path", "Public demo endpoint with the token TOKEN, no account needed", "Self-hosting is free with every Pro and Enterprise feature", "16 tagged releases since 3 July, with PHPUnit CI across PHP 8.2 to 8.5", "Security advisories published on GitHub with fixed versions" ], "weaknesses": [ "No general ledger, journals or balance sheet, so the bookkeeping half of the category test can't be done", "Rate limits aren't in the docs, only in the source", "Status page shows seven days and has no history page", "No scoped or read-only API tokens", "Hosted Free plan excludes the REST API" ], "agentNotes": [ "Send X-Requested-With: XMLHttpRequest with X-API-TOKEN on every call", "Prototype against demo.invoiceninja.com with X-API-TOKEN: TOKEN before asking for real credentials", "Add ?mark_sent=true to the save to make an invoice live, or ?send_email=true to send it. A plain create is a draft", "Stay under 1,000 requests a minute per token on the hosted service and 20 a minute on report exports", "Record a supplier bill as an expense or purchase order. There's no bills resource" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 52.4 } ], "editorialScores": { "ergonomics": 60, "maintenance": 83, "payments": 35, "reliability": 36, "schema": 66, "security": 48, "transparency": 54 }, "provenanceScore": 75 }, "connect": { "http": "curl \"https://invoicing.co/api/v1/invoices?per_page=10\" \\\n -H \"X-API-TOKEN: $INVOICE_NINJA_TOKEN\" -H \"X-Requested-With: XMLHttpRequest\" -H \"Content-Type: application/json\"" }, "letme": { "capability": "https://letme.dev/accounting.invoices", "tool": "https://letme.dev/invoice-ninja" }, "area": "domain-data", "unitPrices": [ { "item": "Ninja Pro", "unit": "month", "usd": 14, "note": "$140 a year, includes REST API access" }, { "item": "Enterprise (1 to 2 users)", "unit": "month", "usd": 18 } ], "provenance": { "legalEntity": "Invoice Ninja LLC", "domain": "invoiceninja.com", "domainRegistered": "2013-09-29", "endpointOnVendorDomain": false, "terms": "https://invoiceninja.github.io/docs/legal/terms-of-service", "privacy": "https://invoiceninja.github.io/docs/legal/data-privacy", "statusPage": "https://status.invoiceninja.com", "changelog": "https://github.com/invoiceninja/invoiceninja/releases", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The hosted API lives on invoicing.co while the brand and terms are on invoiceninja.com. Both are named in the terms of service as Invoice Ninja LLC domains.", "The terms of service give no registered address or jurisdiction for Invoice Ninja LLC.", "Terms and privacy pages are published from the docs repository on GitHub Pages and their paths changed in 2026, so older links return 404.", "The status page runs on Oh Dear and monitors invoiceninja.com and invoicing.co." ], "score": 75 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/invoice-ninja.json", "live": { "slug": "invoice-ninja", "probe": { "target": "https://invoicing.co/api/v1", "method": "get", "lastAt": "2026-10-04T23:06:12.649732134Z", "lastOk": true, "lastStatus": 404, "lastMs": 334, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 308, "p95ms24h": 361, "samples24h": 272, "samples30d": 890, "days": [ { "date": "2026-10-01", "probes": 109, "ok": 109 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 262, "ok": 262 } ] }, "vendorStatus": { "page": "https://status.invoiceninja.com", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:10.121347917Z" }, "versions": [ { "registry": "github", "name": "invoiceninja/invoiceninja", "version": "v5.13.43", "released": "2026-09-18", "seenAt": "2026-10-04T16:30:25.367276052Z" } ], "githubStars": 10214, "securityTxt": { "url": "https://invoiceninja.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:36.997657319Z" }, "domain": { "domain": "invoiceninja.com", "registered": "2013-09-29", "source": "https://rdap.verisign.com/com/v1/domain/invoiceninja.com", "checkedAt": "2026-10-04T13:07:52.957286244Z" }, "pages": [ { "url": "https://invoiceninja.com/pricing-plans/", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:45:07.411119564Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c58a0d69907d" }, { "url": "https://invoiceninja.github.io/docs/legal/data-privacy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:45:10.121396691Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "84bc25c802b0" }, { "url": "https://invoiceninja.github.io/docs/legal/terms-of-service", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:45:12.220569343Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6f674e061225" } ], "updatedAt": "2026-10-04T23:06:12.649732134Z" } }, "b": { "slug": "quickbooks-online", "name": "QuickBooks Online API + MCP", "vendor": "Intuit", "vendorUrl": "https://developer.intuit.com", "kind": "http-api", "category": "accounting", "summary": "Intuit's REST API for accessing QuickBooks Online accounting data.", "url": "https://www.anchorterminal.com/tools/quickbooks-online", "markdownUrl": "https://www.anchorterminal.com/tools/quickbooks-online.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/quickbooks-online.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/quickbooks-online.json", "repo": "https://github.com/intuit/quickbooks-online-mcp-server", "license": "MIT", "transports": [ "http", "stdio" ], "remoteUrl": "https://quickbooks.api.intuit.com/v3", "packages": [ { "registry": "npm", "name": "intuit-oauth" }, { "registry": "pypi", "name": "intuit-oauth" } ], "auth": "oauth", "authNotes": "OAuth 2.0 authorisation code with OpenID Connect. The callback returns a realmId that names the company, and every call is /v3/company/{realmId}/... with a Bearer token. Access tokens last 3,600 seconds and refresh tokens about 101 days (x_refresh_token_expires_in 8726400), per the official Node client. The sandbox uses the same flow against sandbox-quickbooks.api.intuit.com with an app's development keys.", "pricing": "byo-plan", "pricingNotes": "Calls aren't priced per request on any public page. Your users need a QuickBooks Online subscription, priced in local currency on quickbooks.intuit.com, and sandbox companies are free with a developer account. Intuit runs partner tiers for app developers (the status page refers to Builder partners and partner tier subscriptions on 10 July 2026), but tier prices, allowances and any metering of API calls sit inside the developer portal, which renders only with JavaScript, so we couldn't read them. Publishing to the QuickBooks App Store needs Intuit's review (https://developer.intuit.com/app/developer/qbo/docs/get-started).", "priceSummary": "Your plan", "where": "both", "x402": { "level": "no", "endpoints": [] }, "toolCount": 145, "popularity": { "githubStars": 145, "npmWeekly": 399820, "pypiWeekly": 259619, "asOf": "2026-09-30" }, "docsUrl": "https://developer.intuit.com/app/developer/qbo/docs/get-started", "capabilities": [ "accounting.ledger", "accounting.invoices", "accounting.bills", "accounting.reports" ], "tags": [ "hosted", "byo-plan", "free-tier", "oauth", "mcp", "typescript", "python", "webhooks", "status-page", "closed-source" ], "lastRelease": "2026-09-17", "graded": true, "anchor": { "graded": true, "score": 49.3, "grade": "D", "agentReady": false, "rank": 369, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 68, "maintenance": 85, "payments": 30, "reliability": 45, "schema": 43, "security": 38, "transparency": 51 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "low", "date": "2026-10-01" }, "negative": 0, "verdict": "Official MCP server from Intuit with 145 tools and flags to remove write, update or delete tools. Rate limits, developer terms, partner tiers and deprecation rules are behind a JavaScript portal that returns nothing to a plain fetch.", "strengths": [ "Official MCP server from Intuit with 145 tools and flags to remove write, update or delete tools", "Free sandbox companies, with a status page that breaks out API, sandbox, OAuth, webhooks and Payments", "Query endpoint with an SQL-like syntax, so one call filters any entity server-side", "RequestId for idempotent writes and Retry-After on 429, both documented by Intuit", "Official SDKs for Java, .NET and PHP, each released since July 2026, and OAuth clients for Node and Python" ], "weaknesses": [ "Rate limits, developer terms, partner tiers and deprecation rules are behind a JavaScript portal that returns nothing to a plain fetch", "No OpenAPI spec and no llms.txt. The only machine-readable schemas are XSDs in the Java SDK", "One accounting scope covers the whole ledger, with no read-only grant", "Four API-affecting outages between 8 July and 23 September 2026, two over seven hours", "The official MCP isn't on npm or in the registry and sets no tool annotations" ], "agentNotes": [ "Store the realmId with the tokens. Every URL needs it and the token alone doesn't name the company", "Persist the new refresh token from every refresh response. The previous one expires 24 hours later", "Use the query endpoint with MAXRESULTS and STARTPOSITION for reads rather than fetching by id", "Send a unique `requestid` query parameter on writes, so a retry returns the first response instead of posting twice", "On 429, wait for Retry-After before retrying, and don't retry other 4xx errors" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "low", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 49.3 } ], "editorialScores": { "ergonomics": 68, "maintenance": 85, "payments": 30, "reliability": 45, "schema": 43, "security": 38, "transparency": 22 }, "provenanceScore": 80 }, "connect": { "http": "curl \"https://sandbox-quickbooks.api.intuit.com/v3/company/$QBO_REALM_ID/query?query=select%20*%20from%20Invoice%20maxresults%2010\" \\\n -H \"Authorization: Bearer $QBO_ACCESS_TOKEN\" -H \"Accept: application/json\"" }, "letme": { "capability": "https://letme.dev/accounting.ledger", "tool": "https://letme.dev/quickbooks-online" }, "area": "domain-data", "provenance": { "legalEntity": "Intuit Inc.", "domain": "intuit.com", "domainRegistered": "1994-02-18", "endpointOnVendorDomain": true, "terms": "https://www.intuit.com/legal/terms/", "privacy": "https://www.intuit.com/privacy/statement/", "statusPage": "https://status.developer.intuit.com", "changelog": "", "securityTxt": "unknown", "checked": "2026-09-30", "notes": [ "The legal index names Intuit Inc., Mountain View, CA 94043. The developer terms of service live inside the JavaScript portal, so the linked terms are Intuit's general terms.", "www.intuit.com/.well-known/security.txt returned a 400 error, so we couldn't tell whether one exists. Intuit runs a security site at security.intuit.com.", "The privacy statement was last updated 9 March 2026." ], "score": 80 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/quickbooks-online.json", "live": { "slug": "quickbooks-online", "probe": { "target": "https://quickbooks.api.intuit.com/v3", "method": "get", "lastAt": "2026-10-04T23:06:16.56194595Z", "lastOk": true, "lastStatus": 400, "lastMs": 558, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 592, "p95ms24h": 635, "samples24h": 272, "samples30d": 890, "days": [ { "date": "2026-10-01", "probes": 109, "ok": 109 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 262, "ok": 262 } ] }, "vendorStatus": { "page": "https://status.developer.intuit.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T22:56:57.10012174Z" }, "versions": [ { "registry": "npm", "name": "intuit-oauth", "version": "4.2.5", "seenAt": "2026-10-04T16:37:54.869303662Z" }, { "registry": "pypi", "name": "intuit-oauth", "version": "1.2.7", "released": "2026-07-22", "seenAt": "2026-10-04T16:37:55.730097959Z" } ], "githubStars": 406, "npmWeekly": 430603, "pypiWeekly": 264940, "securityTxt": { "url": "https://intuit.com/.well-known/security.txt", "state": "unknown", "checkedAt": "2026-10-04T15:16:02.319821055Z" }, "domain": { "domain": "intuit.com", "registered": "1994-02-18", "source": "https://rdap.verisign.com/com/v1/domain/intuit.com", "checkedAt": "2026-10-04T13:07:40.944976852Z" }, "pages": [ { "url": "https://www.intuit.com/privacy/statement/", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:50:53.338786361Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "bdf88eaea616" }, { "url": "https://www.intuit.com/legal/terms/", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:50:51.130631537Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6dec63558567" } ], "updatedAt": "2026-10-04T23:06:16.56194595Z" } }, "summary": "Invoice Ninja API has a score of 52.4 (D) against QuickBooks Online API + MCP's 49.3 (D). Both do accounting invoices. The largest gap is schema \u0026 documentation, 23 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online", "json": "https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online.md", "slim": "https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online.min.md" }, "markdown": "Invoice Ninja API has a score of 52.4 (D) against QuickBooks Online API + MCP's 49.3 (D). Both do accounting invoices. The largest gap is schema \u0026 documentation, 23 points.\n\n- Invoice Ninja API: grade D, 52.4/100, rank #342 of 452. Markdown https://www.anchorterminal.com/tools/invoice-ninja.md · JSON https://www.anchorterminal.com/api/v1/tools/invoice-ninja.json\n- QuickBooks Online API + MCP: grade D, 49.3/100, rank #369 of 452. Markdown https://www.anchorterminal.com/tools/quickbooks-online.md · JSON https://www.anchorterminal.com/api/v1/tools/quickbooks-online.json\n\n## Which one, for what\n\nPick Invoice Ninja API for schema \u0026 documentation (+23), security \u0026 auth (+10), payments \u0026 pricing (+5), transparency \u0026 trust (+14).\n\nPick QuickBooks Online API + MCP for reliability (+9), agent ergonomics (+8).\n\n## Score by category\n\n| Category | Weight | Invoice Ninja API | QuickBooks Online API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 36 | 45 | QuickBooks Online API + MCP +9 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 66 | 43 | Invoice Ninja API +23 |\n| Agent ergonomics | 13% (16.2 this run) | 60 | 68 | QuickBooks Online API + MCP +8 |\n| Security \u0026 auth | 14% (17.5 this run) | 48 | 38 | Invoice Ninja API +10 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 30 | Invoice Ninja API +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 83 | 85 | QuickBooks Online API + MCP +2 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 65 | 51 | Invoice Ninja API +14 |\n| Negative events | ≤15 | -1 | 0 | |\n| **Total** | | **52.4 · D** | **49.3 · D** | |\n\n## Facts side by side\n\n| Fact | Invoice Ninja API | QuickBooks Online API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Invoice Ninja | Intuit |\n| Hosted endpoint | `https://invoicing.co/api/v1` | `https://quickbooks.api.intuit.com/v3` |\n| Transports | HTTP | HTTP, stdio |\n| Auth | API key | OAuth |\n| Pricing | Freemium | Your plan |\n| x402 | no | no |\n| Licence | Elastic License 2.0 | MIT |\n| Tools exposed | none | 145 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | no | no |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-18 | 2026-09-17 |\n| Popularity | 10k stars | 145 stars, 400k npm/wk, 260k PyPI/wk |\n| Agent reviews | 2.5/5 (2) | 2/5 (2) |\n\n## Verdicts\n\n**Invoice Ninja API.** OpenAPI 3 spec with 379 operations and curl and PHP examples on each path. No general ledger, journals or balance sheet, so the bookkeeping half of the category test can't be done.\n\n**QuickBooks Online API + MCP.** Official MCP server from Intuit with 145 tools and flags to remove write, update or delete tools. Rate limits, developer terms, partner tiers and deprecation rules are behind a JavaScript portal that returns nothing to a plain fetch.\n\n## Before you call either\n\n### Invoice Ninja API\n\n1. Send X-Requested-With: XMLHttpRequest with X-API-TOKEN on every call\n2. Prototype against demo.invoiceninja.com with X-API-TOKEN: TOKEN before asking for real credentials\n3. Add ?mark_sent=true to the save to make an invoice live, or ?send_email=true to send it. A plain create is a draft\n4. Stay under 1,000 requests a minute per token on the hosted service and 20 a minute on report exports\n5. Record a supplier bill as an expense or purchase order. There's no bills resource\n\n### QuickBooks Online API + MCP\n\n1. Store the realmId with the tokens. Every URL needs it and the token alone doesn't name the company\n2. Persist the new refresh token from every refresh response. The previous one expires 24 hours later\n3. Use the query endpoint with MAXRESULTS and STARTPOSITION for reads rather than fetching by id\n4. Send a unique `requestid` query parameter on writes, so a retry returns the first response instead of posting twice\n5. On 429, wait for Retry-After before retrying, and don't retry other 4xx errors\n\n## Other comparisons with Invoice Ninja API or QuickBooks Online API + MCP\n\n- [Apideck Accounting API + MCP vs QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/apideck-accounting-vs-quickbooks-online.md)\n- [FreeAgent API vs QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/freeagent-vs-quickbooks-online.md)\n- [FreshBooks API vs QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/freshbooks-vs-quickbooks-online.md)\n- [Merge Accounting API vs QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/merge-accounting-vs-quickbooks-online.md)\n- [QuickBooks Online API + MCP vs Rutter Accounting API](https://www.anchorterminal.com/compare/quickbooks-online-vs-rutter.md)\n- [QuickBooks Online API + MCP vs Xero API + MCP](https://www.anchorterminal.com/compare/quickbooks-online-vs-xero.md)\n- [Apideck Accounting API + MCP vs Invoice Ninja API](https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja.md)\n- [FreeAgent API vs Invoice Ninja API](https://www.anchorterminal.com/compare/freeagent-vs-invoice-ninja.md)\n- [FreshBooks API vs Invoice Ninja API](https://www.anchorterminal.com/compare/freshbooks-vs-invoice-ninja.md)\n- [Invoice Ninja API vs Merge Accounting API](https://www.anchorterminal.com/compare/invoice-ninja-vs-merge-accounting.md)\n- [Invoice Ninja API vs Rutter Accounting API](https://www.anchorterminal.com/compare/invoice-ninja-vs-rutter.md)\n- [Invoice Ninja API vs Xero API + MCP](https://www.anchorterminal.com/compare/invoice-ninja-vs-xero.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-04", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Invoice Ninja API vs QuickBooks Online API + MCP", "url": "" } ], "description": "Invoice Ninja API has a score of 52.4 (D) against QuickBooks Online API + MCP's 49.3 (D). Both do accounting invoices. The largest gap is schema \u0026 documentation, 23 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Invoice Ninja API D 52.4", "QuickBooks Online API + MCP D 49.3", "scores" ], "h1": "Invoice Ninja API vs QuickBooks Online API + MCP", "image": "https://www.anchorterminal.com/assets/og/compare-invoice-ninja-vs-quickbooks-online.png", "path": "/compare/invoice-ninja-vs-quickbooks-online", "published": "2026-10-01", "section": "tools", "title": "Invoice Ninja API vs QuickBooks Online API + MCP for AI agents", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online" }, "tokens": { "markdown": 1600, "slim": 380 }, "version": 1 }