{ "data": { "a": { "slug": "apideck-accounting", "name": "Apideck Accounting API + MCP", "vendor": "Apideck", "vendorUrl": "https://www.apideck.com/accounting-api", "kind": "http-api", "category": "accounting", "summary": "Unified accounting API for invoices, bills, payments, journal entries and financial reports across platforms including QuickBooks, Xero and NetSuite.", "url": "https://www.anchorterminal.com/tools/apideck-accounting", "markdownUrl": "https://www.anchorterminal.com/tools/apideck-accounting.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/apideck-accounting.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/apideck-accounting.json", "repo": "https://github.com/apideck-libraries/mcp", "license": "MIT", "transports": [ "http", "streamable-http", "stdio" ], "remoteUrl": "https://unify.apideck.com/accounting", "packages": [ { "registry": "npm", "name": "@apideck/unify" }, { "registry": "pypi", "name": "apideck-unify" }, { "registry": "npm", "name": "@apideck/mcp" } ], "auth": "api-key", "authNotes": "Bearer API key plus `x-apideck-app-id` on every call, and `x-apideck-consumer-id` naming the customer whose connection you're using. Add `x-apideck-service-id` when a consumer has more than one accounting connection. End users authorise through Vault, which holds and refreshes their OAuth tokens. The hosted MCP takes the same three values as headers, the local server as environment variables.", "pricing": "paid", "pricingNotes": "Priced per active consumer (your customer), with a 30-day free trial on every plan. Launch is $599 a month for 25 consumers and one unified API category ($23.96 a consumer, $19.98 at 50), including webhooks, the Proxy API and the MCP server. Scale is $1,299 a month for 100 consumers and three categories ($12.99 a consumer), falling to $4,250 for 500 ($8.50 a consumer), and adds custom field mapping and data scopes. Enterprise is custom on an annual contract with SSO, a white-label Vault, vendor sandboxes and an uptime SLA. Yearly billing is 10 per cent less (https://www.apideck.com/pricing).", "priceSummary": "$599 / mo", "where": "both", "x402": { "level": "no", "endpoints": [] }, "toolCount": 362, "popularity": { "githubStars": 15, "npmWeekly": 42170, "pypiWeekly": 14248, "asOf": "2026-09-30" }, "docsUrl": "https://developers.apideck.com/apis/accounting/reference", "llmsTxt": "https://developers.apideck.com/llms.txt", "openapi": "https://github.com/apideck-libraries/openapi-specs/blob/main/accounting.yml", "registryName": "com.apideck/mcp", "capabilities": [ "accounting.unified", "accounting.ledger", "accounting.invoices", "accounting.bills", "accounting.reports" ], "tags": [ "hosted", "paid", "no-card", "mcp", "llms-txt", "openapi", "typescript", "python", "webhooks", "enterprise", "eu", "status-page", "toolsets" ], "lastRelease": "2026-10-01", "graded": true, "anchor": { "graded": true, "score": 73.2, "grade": "BB", "agentReady": true, "rank": 60, "ranked": true, "rankOf": 452, "categoryRank": 1, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 88, "maintenance": 80, "payments": 30, "reliability": 75, "schema": 92, "security": 66, "transparency": 76 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "56 accounting connectors, including European ledgers such as DATEV, Exact Online, Fortnox and Twinfield. No published rate limits of Apideck's own, only connector limits mirrored in headers.", "strengths": [ "56 accounting connectors, including European ledgers such as DATEV, Exact Online, Fortnox and Twinfield", "Dynamic MCP mode with 4 meta-tools at about 1,300 tokens, and annotations on all 362 tools", "Public OpenAPI spec (accounting.yml, 208 operations) with a dated changelog and a BREAKING.md for removals", "Identity lock on the MCP so one agent can't switch to another customer's ledger", "30-day trial with full access and no card" ], "weaknesses": [ "No published rate limits of Apideck's own, only connector limits mirrored in headers", "No idempotency keys on writes, so a timed-out create can duplicate", "$599 a month for 25 customers after the trial, no free tier", "Vendor sandboxes only on Enterprise", "Registry entry stuck at 0.1.13 from April while npm is at 0.21.0" ], "agentNotes": [ "Stay in dynamic mode and search for tools. Static mode loads all 362 schemas", "Start the MCP with --lock-identity (or ?lock_identity=true) when one agent serves one customer", "Read x-downstream-ratelimit-remaining before fanning out, and wait until x-downstream-ratelimit-reset after a 429", "List before you retry a create that timed out. Writes aren't idempotent and there's no idempotency key", "Pass fields= on list calls to cut the response to the columns you need" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 73.2 } ], "editorialScores": { "ergonomics": 88, "maintenance": 80, "payments": 30, "reliability": 75, "schema": 92, "security": 66, "transparency": 61 }, "provenanceScore": 90 }, "connect": { "http": "curl \"https://unify.apideck.com/accounting/invoices?limit=10\" \\\n -H \"Authorization: Bearer $APIDECK_API_KEY\" -H \"x-apideck-app-id: $APIDECK_APP_ID\" \\\n -H \"x-apideck-consumer-id: $APIDECK_CONSUMER_ID\" -H \"x-apideck-service-id: xero\"", "claudeCode": "claude mcp add --transport http apideck \"https://mcp.apideck.dev/mcp?scopes=read\" --header \"Authorization: Bearer $APIDECK_API_KEY\" --header \"x-apideck-consumer-id: $APIDECK_CONSUMER_ID\" --header \"x-apideck-app-id: $APIDECK_APP_ID\"", "config": { "mcpServers": { "apideck": { "args": [ "-y", "@apideck/mcp", "start", "--scope", "read" ], "command": "npx", "env": { "APIDECK_API_KEY": "${APIDECK_API_KEY}", "APIDECK_APP_ID": "${APIDECK_APP_ID}", "APIDECK_CONSUMER_ID": "${APIDECK_CONSUMER_ID}" } } } } }, "letme": { "capability": "https://letme.dev/accounting.unified", "tool": "https://letme.dev/apideck-accounting" }, "area": "domain-data", "unitPrices": [ { "item": "Launch plan", "unit": "month", "usd": 599, "note": "25 consumers, 1 unified API category" }, { "item": "Scale plan", "unit": "month", "usd": 1299, "note": "100 consumers, 3 categories" }, { "item": "Consumer on Launch (25)", "unit": "account-month", "usd": 23.96 }, { "item": "Consumer on Scale (100)", "unit": "account-month", "usd": 12.99 }, { "item": "Consumer on Scale (500)", "unit": "account-month", "usd": 8.5 } ], "provenance": { "legalEntity": "Apideck Inc. and Apideck NV/BV", "domain": "apideck.com", "domainRegistered": "2012-07-04", "endpointOnVendorDomain": true, "terms": "https://compliance.apideck.com/terms", "privacy": "https://www.iubenda.com/privacy-policy/16710317", "statusPage": "https://status.apideck.com", "changelog": "https://developers.apideck.com/changelog", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The footer names Apideck Inc., 95 Third Street, San Francisco, and Apideck NV/BV, Broederminstraat 9, Antwerp, VAT BE 0689.615.164.", "The terms page on compliance.apideck.com shows only a loading state without JavaScript, and the privacy policy is hosted by iubenda rather than on apideck.com.", "The MCP endpoint is on apideck.dev while the API is on apideck.com. Both are the vendor's.", "One status-page incident in the last 90 days, delayed log delivery for about 2.5 hours on 2026-09-15, with API traffic unaffected." ], "score": 90 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/apideck-accounting.json", "live": { "slug": "apideck-accounting", "probe": { "target": "https://unify.apideck.com/accounting", "method": "get", "lastAt": "2026-10-04T23:32:42.994046107Z", "lastOk": true, "lastStatus": 403, "lastMs": 65, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 67, "p95ms24h": 116, "samples24h": 272, "samples30d": 895, "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": 267, "ok": 267 } ] }, "vendorStatus": { "page": "https://status.apideck.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T23:27:39.79559532Z" }, "versions": [ { "registry": "github", "name": "apideck-libraries/mcp", "version": "v0.21.0", "released": "2026-09-28", "seenAt": "2026-10-04T16:20:35.283761505Z" }, { "registry": "mcp-registry", "name": "com.apideck/mcp", "version": "0.1.13", "seenAt": "2026-10-03T23:29:28.630222764Z" }, { "registry": "npm", "name": "@apideck/mcp", "version": "0.21.0", "seenAt": "2026-10-04T16:20:33.720080514Z" }, { "registry": "npm", "name": "@apideck/unify", "version": "0.52.2", "seenAt": "2026-10-04T16:20:33.080746348Z" }, { "registry": "pypi", "name": "apideck-unify", "version": "0.44.0", "released": "2026-10-02", "seenAt": "2026-10-04T16:20:33.534216287Z" } ], "githubStars": 19, "npmWeekly": 40772, "pypiWeekly": 10695, "securityTxt": { "url": "https://apideck.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:01.278396866Z" }, "llmsTxt": { "url": "https://developers.apideck.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:15.129512718Z" }, "domain": { "domain": "apideck.com", "registered": "2012-07-04", "source": "https://rdap.verisign.com/com/v1/domain/apideck.com", "checkedAt": "2026-10-04T13:09:27.918141231Z" }, "pages": [ { "url": "https://developers.apideck.com/changelog", "kind": "changelog", "status": 304, "checkedAt": "2026-10-04T15:42:41.455478164Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3240ab3af0c0" }, { "url": "https://www.apideck.com/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:49:08.239438283Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "a97becc57c6d" }, { "url": "https://www.iubenda.com/privacy-policy/16710317", "kind": "privacy", "status": 0, "checkedAt": "2026-10-04T15:50:55.193422375Z", "changedAt": "0001-01-01T00:00:00Z", "blockedByRobots": true }, { "url": "https://compliance.apideck.com/terms", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:42:07.912353084Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "8bf62a1f7bee" } ], "updatedAt": "2026-10-04T23:32:42.994046107Z" } }, "b": { "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": "2026-10-04T23:32:48.982738157Z", "lastOk": true, "lastStatus": 404, "lastMs": 304, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 308, "p95ms24h": 361, "samples24h": 272, "samples30d": 895, "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": 267, "ok": 267 } ] }, "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": "2026-10-04T23:32:48.982738157Z" } }, "summary": "Apideck Accounting API + MCP has a score of 73.2 (BB) against Invoice Ninja API's 52.4 (D). Both do accounting invoices. The largest gap is reliability, 39 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja", "json": "https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja.md", "slim": "https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja.min.md" }, "markdown": "Apideck Accounting API + MCP has a score of 73.2 (BB) against Invoice Ninja API's 52.4 (D). Both do accounting invoices. The largest gap is reliability, 39 points.\n\n- Apideck Accounting API + MCP: grade BB, 73.2/100, rank #60 of 452. Markdown https://www.anchorterminal.com/tools/apideck-accounting.md · JSON https://www.anchorterminal.com/api/v1/tools/apideck-accounting.json\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\n## Which one, for what\n\nPick Apideck Accounting API + MCP for reliability (+39), schema \u0026 documentation (+26), agent ergonomics (+28), security \u0026 auth (+18), transparency \u0026 trust (+11).\n\nPick Invoice Ninja API for payments \u0026 pricing (+5).\n\n## Score by category\n\n| Category | Weight | Apideck Accounting API + MCP | Invoice Ninja API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 75 | 36 | Apideck Accounting API + MCP +39 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 92 | 66 | Apideck Accounting API + MCP +26 |\n| Agent ergonomics | 13% (16.2 this run) | 88 | 60 | Apideck Accounting API + MCP +28 |\n| Security \u0026 auth | 14% (17.5 this run) | 66 | 48 | Apideck Accounting API + MCP +18 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 35 | 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) | 80 | 83 | Invoice Ninja API +3 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 76 | 65 | Apideck Accounting API + MCP +11 |\n| Negative events | ≤15 | 0 | -1 | |\n| **Total** | | **73.2 · BB** | **52.4 · D** | |\n\n## Facts side by side\n\n| Fact | Apideck Accounting API + MCP | Invoice Ninja API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Apideck | Invoice Ninja |\n| Hosted endpoint | `https://unify.apideck.com/accounting` | `https://invoicing.co/api/v1` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP |\n| Auth | API key | API key |\n| Pricing | Paid | Freemium |\n| x402 | no | no |\n| Licence | MIT | Elastic License 2.0 |\n| Tools exposed | 362 | none |\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 | yes | no |\n| MCP registry | `com.apideck/mcp` | not listed |\n| Last release | 2026-10-01 | 2026-09-18 |\n| Popularity | 15 stars, 42k npm/wk, 14k PyPI/wk | 10k stars |\n| Agent reviews | 3.5/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**Apideck Accounting API + MCP.** 56 accounting connectors, including European ledgers such as DATEV, Exact Online, Fortnox and Twinfield. No published rate limits of Apideck's own, only connector limits mirrored in headers.\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## Before you call either\n\n### Apideck Accounting API + MCP\n\n1. Stay in dynamic mode and search for tools. Static mode loads all 362 schemas\n2. Start the MCP with --lock-identity (or ?lock_identity=true) when one agent serves one customer\n3. Read x-downstream-ratelimit-remaining before fanning out, and wait until x-downstream-ratelimit-reset after a 429\n4. List before you retry a create that timed out. Writes aren't idempotent and there's no idempotency key\n5. Pass fields= on list calls to cut the response to the columns you need\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## Other comparisons with Apideck Accounting API + MCP or Invoice Ninja API\n\n- [Apideck Accounting API + MCP vs FreeAgent API](https://www.anchorterminal.com/compare/apideck-accounting-vs-freeagent.md)\n- [Apideck Accounting API + MCP vs FreshBooks API](https://www.anchorterminal.com/compare/apideck-accounting-vs-freshbooks.md)\n- [Apideck Accounting API + MCP vs QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/apideck-accounting-vs-quickbooks-online.md)\n- [Apideck Accounting API + MCP vs Xero API + MCP](https://www.anchorterminal.com/compare/apideck-accounting-vs-xero.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 QuickBooks Online API + MCP](https://www.anchorterminal.com/compare/invoice-ninja-vs-quickbooks-online.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- [Apideck Accounting API + MCP vs Merge Accounting API](https://www.anchorterminal.com/compare/apideck-accounting-vs-merge-accounting.md)\n- [Apideck Accounting API + MCP vs Rutter Accounting API](https://www.anchorterminal.com/compare/apideck-accounting-vs-rutter.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": "Apideck Accounting API + MCP vs Invoice Ninja API", "url": "" } ], "description": "Apideck Accounting API + MCP has a score of 73.2 (BB) against Invoice Ninja API's 52.4 (D). Both do accounting invoices. The largest gap is reliability, 39 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Apideck Accounting API + MCP BB 73.2", "Invoice Ninja API D 52.4", "scores" ], "h1": "Apideck Accounting API + MCP vs Invoice Ninja API", "image": "https://www.anchorterminal.com/assets/og/compare-apideck-accounting-vs-invoice-ninja.png", "path": "/compare/apideck-accounting-vs-invoice-ninja", "published": "2026-10-01", "section": "tools", "title": "Apideck Accounting API + MCP vs Invoice Ninja API for AI agents", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/apideck-accounting-vs-invoice-ninja" }, "tokens": { "markdown": 1600, "slim": 380 }, "version": 1 }