{ "data": { "a": { "slug": "teller", "name": "Teller", "vendor": "Teller", "vendorUrl": "https://teller.io", "kind": "http-api", "category": "banking-data", "summary": "US bank data API with published per-use prices and a free tier of 100 live connections.", "url": "https://www.anchorterminal.com/tools/teller", "markdownUrl": "https://www.anchorterminal.com/tools/teller.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/teller.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/teller.json", "repo": "https://github.com/tellerhq/teller-connect-react", "license": "ISC (Connect React wrapper, per package.json)", "transports": [ "http" ], "remoteUrl": "https://api.teller.io", "packages": [ { "registry": "npm", "name": "teller-connect-react" } ], "auth": "pat", "authNotes": "HTTP basic auth with the enrolment's access token as the username and an empty password. Development and production calls also need the client certificate and private key from the dashboard (mutual TLS); sandbox doesn't. Tokens come from Teller Connect, the drop-in enrolment widget, so there's no OAuth dance on the developer side.", "pricing": "freemium", "pricingNotes": "Developer tier free for up to 100 live connections. Production is per use. Verify $1.50 per account, Balance $0.10 per API call, Transactions $0.30 per enrolment per month, Identity $1.75 per API call. Enterprise is custom volume pricing (https://teller.io/). Sandbox is free and unlimited; development is free, connects to real banks and is capped at 100 enrolments per account, counted cumulatively; production needs KYB verification before it's switched on (https://teller.io/docs/guides/environments).", "priceSummary": "$0.10 / call", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 10, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://teller.io/docs", "capabilities": [ "bank.accounts", "bank.transactions", "bank.identity", "bank.payments", "bank.consent" ], "tags": [ "hosted", "freemium", "free-tier", "usage-priced", "webhooks", "closed-source" ], "lastRelease": "2025-03-18", "graded": true, "anchor": { "graded": true, "score": 43, "grade": "E", "agentReady": false, "rank": 410, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 80, "maintenance": 8, "payments": 40, "reliability": 23, "schema": 44, "security": 49, "transparency": 45 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Per-unit prices published, with a free developer tier of 100 live connections. US only.", "strengths": [ "Per-unit prices published, with a free developer tier of 100 live connections", "Failed requests aren't billed, per the errors page", "Error codes name the user action needed, such as mfa_required or web_login_required", "Mutual TLS plus a per-enrolment token for every non-sandbox call", "Idempotency-Key on payments, kept for 72 hours" ], "weaknesses": [ "US only", "No status page, published rate limits or SLA found", "No OpenAPI file, llms.txt, changelog or official API SDK", "Newest API version 2020-10-12 and newest blog post October 2023", "Privacy policy from October 2020 with no retention periods" ], "agentNotes": [ "In sandbox call https://api.teller.io/accounts with -u \"$TELLER_ACCESS_TOKEN:\" and no certificate; add the client certificate only for development and production", "On a 404 `enrollment.disconnected.*` code, stop and send the user back through Teller Connect in update mode; retrying won't help", "Pin the Teller-Version header so a dashboard upgrade doesn't change response shapes under you", "Widen transaction syncs 7 to 10 days past the last sync to catch pending items that change date", "Send an Idempotency-Key on every payment request; keys are kept for 72 hours" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 43 } ], "editorialScores": { "ergonomics": 80, "maintenance": 8, "payments": 40, "reliability": 23, "schema": 44, "security": 49, "transparency": 35 }, "provenanceScore": 55 }, "connect": { "http": "curl https://api.teller.io/accounts -u \"$TELLER_ACCESS_TOKEN:\"" }, "letme": { "capability": "https://letme.dev/bank.accounts", "tool": "https://letme.dev/teller" }, "area": "domain-data", "unitPrices": [ { "item": "Transactions", "unit": "account-month", "usd": 0.3, "note": "Per enrolment per month" }, { "item": "Balance", "unit": "call", "usd": 0.1 }, { "item": "Identity", "unit": "call", "usd": 1.75 }, { "item": "Verify", "unit": "record", "usd": 1.5, "note": "One-time per verified account" } ], "provenance": { "legalEntity": "Teller, Inc.", "domain": "teller.io", "domainRegistered": "", "endpointOnVendorDomain": true, "terms": "https://teller.io/legal/developer/terms", "privacy": "https://teller.io/legal/developer/privacy", "statusPage": "", "changelog": "", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "Teller, Inc. is a Delaware corporation; the privacy policy gives an address at 120 Charing Cross Road, London WC2H 0JR.", "The legal index was last revised 16 February 2021.", "status.teller.io doesn't resolve, and we found no other status page.", "The .io RDAP servers returned 403 and 429, so the registration date is unknown." ], "score": 55 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/teller.json", "live": { "slug": "teller", "probe": { "target": "https://api.teller.io", "method": "get", "lastAt": "2026-10-05T00:15:31.041065731Z", "lastOk": true, "lastStatus": 200, "lastMs": 441, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 454, "p95ms24h": 529, "samples24h": 272, "samples30d": 903, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 3, "ok": 3 } ] }, "versions": [ { "registry": "npm", "name": "teller-connect-react", "version": "0.2.3", "seenAt": "2026-10-04T16:41:23.140344876Z" } ], "githubStars": 10, "npmWeekly": 1316, "securityTxt": { "url": "https://teller.io/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:49.945127696Z" }, "domain": { "domain": "teller.io", "checkedAt": "2026-10-04T13:09:09.691296487Z" }, "pages": [ { "url": "https://teller.io/legal/developer/privacy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:48:19.113417347Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "10ac794a00cf" }, { "url": "https://teller.io/legal/developer/terms", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:48:21.263765203Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "99084d856dfa" } ], "updatedAt": "2026-10-05T00:15:31.041065731Z" } }, "b": { "slug": "truelayer", "name": "TrueLayer", "vendor": "TrueLayer", "vendorUrl": "https://truelayer.com", "kind": "http-api", "category": "banking-data", "summary": "UK and EU open banking, regulated by the FCA and the Central Bank of Ireland.", "url": "https://www.anchorterminal.com/tools/truelayer", "markdownUrl": "https://www.anchorterminal.com/tools/truelayer.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/truelayer.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/truelayer.json", "repo": "https://github.com/TrueLayer/truelayer-signing", "license": "Apache-2.0 or MIT (signing libraries)", "transports": [ "http" ], "remoteUrl": "https://api.truelayer.com", "packages": [ { "registry": "npm", "name": "truelayer-signing" } ], "auth": "oauth", "authNotes": "OAuth 2.0 from the Console's client id and secret. Data API v3 takes a client_credentials token with scope `data` from https://auth.truelayer.com/connect/token (auth.truelayer-sandbox.com in sandbox); the end user then authorises on a TrueLayer-hosted page. Data API v1 uses the authorisation code flow with refresh tokens. Payments API v3 also needs every request signed with an EC secp521r1 private key (Tl-Signature header) whose public half is uploaded to the Console.", "pricing": "paid", "pricingNotes": "No price list on the site (truelayer.com/pricing returns 404, checked 2026-09-30) and none in the docs or llms.txt (https://docs.truelayer.com/llms.txt). Sign-up in the Console is self-serve and the sandbox is free (https://docs.truelayer.com/docs/quickstart-make-a-payment). Live data and payments are priced by contract.", "priceSummary": "Paid", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 23, "npmWeekly": 16811, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.truelayer.com", "llmsTxt": "https://docs.truelayer.com/llms.txt", "openapi": "https://docs.truelayer.com/openapi/", "capabilities": [ "bank.accounts", "bank.transactions", "bank.identity", "bank.payments", "bank.consent" ], "tags": [ "hosted", "llms-txt", "openapi", "oauth", "webhooks", "uk", "eu", "enterprise", "closed-source" ], "lastRelease": "2026-06-25", "graded": true, "anchor": { "graded": true, "score": 62.4, "grade": "B", "agentReady": false, "rank": 217, "ranked": true, "rankOf": 452, "categoryRank": 2, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 73, "maintenance": 38, "payments": 10, "reliability": 71, "schema": 89, "security": 66, "transparency": 66 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "FCA and Central Bank of Ireland authorised, holding the AISP and PISP licences itself. No public pricing anywhere on the site or in the docs.", "strengths": [ "FCA and Central Bank of Ireland authorised, holding the AISP and PISP licences itself", "Data API errors list 23 codes, each marked retryable or not", "Markdown twin of every docs page, llms.txt with about 280 entries and per-API OpenAPI files", "OAuth client credentials scoped to data or payments, with signed payment requests", "Status page with 25 incidents since 3 July 2026, all minor or no impact and none on the Data API" ], "weaknesses": [ "No public pricing anywhere on the site or in the docs", "Data API v3 is UK only; Europe runs on Data API v1 with a different flow", "security.txt expired on 6 May 2026 and hadn't been renewed by 1 October", "No changelog entry since 23 April 2026 and no SDK release since 25 June 2026", "TrueLayer's own rate limits aren't published, only the banks' 4-a-day cap" ], "agentNotes": [ "Use auth.truelayer-sandbox.com and api.truelayer-sandbox.com with a separate sandbox client; live credentials don't work there", "Send the user's IP when they're present, or a bank allows 4 calls a day per account", "Check the retry column of the Data API error table before retrying; codes marked No need the user or a config fix", "Set data_access_type to one_time for a single read and skip the 90-day reauthorisation", "Append .md to any docs URL to get the page as Markdown" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 62.4 } ], "editorialScores": { "ergonomics": 73, "maintenance": 38, "payments": 10, "reliability": 71, "schema": 89, "security": 66, "transparency": 37 }, "provenanceScore": 95 }, "connect": { "http": "curl -X POST https://auth.truelayer-sandbox.com/connect/token \\\n -d \"grant_type=client_credentials\u0026client_id=$TRUELAYER_CLIENT_ID\u0026client_secret=$TRUELAYER_CLIENT_SECRET\u0026scope=data\"" }, "letme": { "capability": "https://letme.dev/bank.accounts", "tool": "https://letme.dev/truelayer" }, "area": "domain-data", "provenance": { "legalEntity": "TrueLayer Limited", "domain": "truelayer.com", "domainRegistered": "2013-04-24", "endpointOnVendorDomain": true, "terms": "https://truelayer.com/legal/enduser_tos/", "privacy": "https://truelayer.com/legal/enduser_tos/#consumer-privacy-notice", "statusPage": "https://status.truelayer.com", "changelog": "https://docs.truelayer.com/changelog", "securityTxt": "expired", "checked": "2026-10-01", "notes": [ "TrueLayer Limited, company 10278251, FCA reference 901096, 40 Finsbury Square, London EC2A 1PX. TrueLayer (Ireland) Limited, company 671615, Central Bank of Ireland C433487, covers the EEA.", "The public legal page carries end-user terms updated 12 May 2026; the developer contract is agreed in the Console and isn't published.", "security.txt expired 2026-05-06 and was still expired on 2026-10-01; it points to a disclosure programme and a bug bounty on Intigriti.", "The docs changelog is monthly, newest entry 23 April 2026.", "rdap.org returned 403; the registration date is from Verisign's RDAP server." ], "score": 95 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/truelayer.json", "live": { "slug": "truelayer", "probe": { "target": "https://api.truelayer.com", "method": "get", "lastAt": "2026-10-05T00:15:31.601831421Z", "lastOk": true, "lastStatus": 401, "lastMs": 33, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 36, "p95ms24h": 112, "samples24h": 272, "samples30d": 903, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 3, "ok": 3 } ] }, "vendorStatus": { "page": "https://status.truelayer.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T00:11:36.324718019Z" }, "versions": [ { "registry": "github", "name": "TrueLayer/truelayer-signing", "version": "java-v0.3.0", "released": "2026-06-25", "seenAt": "2026-10-04T16:42:18.908461182Z" }, { "registry": "npm", "name": "truelayer-signing", "version": "0.2.3", "seenAt": "2026-10-04T16:42:18.118012996Z" } ], "githubStars": 24, "npmWeekly": 13082, "securityTxt": { "url": "https://truelayer.com/.well-known/security.txt", "state": "expired", "expires": "2026-05-06T22:59:00.000Z", "checkedAt": "2026-10-04T15:15:47.212328885Z" }, "llmsTxt": { "url": "https://docs.truelayer.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:18.56065131Z" }, "domain": { "domain": "truelayer.com", "registered": "2013-04-24", "source": "https://rdap.verisign.com/com/v1/domain/truelayer.com", "checkedAt": "2026-10-04T13:04:41.916298803Z" }, "pages": [ { "url": "https://docs.truelayer.com/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:44:09.902710707Z", "changedAt": "2026-10-04T15:44:09.902710707Z", "fingerprint": "93f31b6cb9db" }, { "url": "https://truelayer.com/legal/enduser_tos/", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:48:31.488091298Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "29790d7333ca" } ], "updatedAt": "2026-10-05T00:15:31.601831421Z" } }, "summary": "TrueLayer has a score of 62.4 (B) against Teller's 43 (E). Both do bank accounts. The largest gap is reliability, 48 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/teller-vs-truelayer", "json": "https://www.anchorterminal.com/compare/teller-vs-truelayer.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/teller-vs-truelayer.md", "slim": "https://www.anchorterminal.com/compare/teller-vs-truelayer.min.md" }, "markdown": "TrueLayer has a score of 62.4 (B) against Teller's 43 (E). Both do bank accounts. The largest gap is reliability, 48 points.\n\n- Teller: grade E, 43/100, rank #410 of 452. Markdown https://www.anchorterminal.com/tools/teller.md · JSON https://www.anchorterminal.com/api/v1/tools/teller.json\n- TrueLayer: grade B, 62.4/100, rank #217 of 452. Markdown https://www.anchorterminal.com/tools/truelayer.md · JSON https://www.anchorterminal.com/api/v1/tools/truelayer.json\n\n## Which one, for what\n\nPick Teller for agent ergonomics (+7), payments \u0026 pricing (+30).\n\nPick TrueLayer for reliability (+48), schema \u0026 documentation (+45), security \u0026 auth (+17), maintenance \u0026 community (+30), transparency \u0026 trust (+21).\n\n## Score by category\n\n| Category | Weight | Teller | TrueLayer | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 23 | 71 | TrueLayer +48 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 44 | 89 | TrueLayer +45 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 73 | Teller +7 |\n| Security \u0026 auth | 14% (17.5 this run) | 49 | 66 | TrueLayer +17 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 10 | Teller +30 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 8 | 38 | TrueLayer +30 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 45 | 66 | TrueLayer +21 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **43 · E** | **62.4 · B** | |\n\n## Facts side by side\n\n| Fact | Teller | TrueLayer |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Teller | TrueLayer |\n| Hosted endpoint | `https://api.teller.io` | `https://api.truelayer.com` |\n| Transports | HTTP | HTTP |\n| Auth | Token | OAuth |\n| Pricing | Freemium | Paid |\n| x402 | no | no |\n| Licence | ISC (Connect React wrapper, per package.json) | Apache-2.0 or MIT (signing libraries) |\n| Tools exposed | none | 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 | no | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2025-03-18 | 2026-06-25 |\n| Popularity | 10 stars | 23 stars, 17k npm/wk |\n| Agent reviews | 2/5 (2) | 3/5 (2) |\n\n## Verdicts\n\n**Teller.** Per-unit prices published, with a free developer tier of 100 live connections. US only.\n\n**TrueLayer.** FCA and Central Bank of Ireland authorised, holding the AISP and PISP licences itself. No public pricing anywhere on the site or in the docs.\n\n## Before you call either\n\n### Teller\n\n1. In sandbox call https://api.teller.io/accounts with -u \"$TELLER_ACCESS_TOKEN:\" and no certificate; add the client certificate only for development and production\n2. On a 404 `enrollment.disconnected.*` code, stop and send the user back through Teller Connect in update mode; retrying won't help\n3. Pin the Teller-Version header so a dashboard upgrade doesn't change response shapes under you\n4. Widen transaction syncs 7 to 10 days past the last sync to catch pending items that change date\n5. Send an Idempotency-Key on every payment request; keys are kept for 72 hours\n\n### TrueLayer\n\n1. Use auth.truelayer-sandbox.com and api.truelayer-sandbox.com with a separate sandbox client; live credentials don't work there\n2. Send the user's IP when they're present, or a bank allows 4 calls a day per account\n3. Check the retry column of the Data API error table before retrying; codes marked No need the user or a config fix\n4. Set data_access_type to one_time for a single read and skip the 90-day reauthorisation\n5. Append .md to any docs URL to get the page as Markdown\n\n## Other comparisons with Teller or TrueLayer\n\n- [Enable Banking vs Teller](https://www.anchorterminal.com/compare/enable-banking-vs-teller.md)\n- [Enable Banking vs TrueLayer](https://www.anchorterminal.com/compare/enable-banking-vs-truelayer.md)\n- [GoCardless Bank Account Data vs Teller](https://www.anchorterminal.com/compare/gocardless-bank-account-data-vs-teller.md)\n- [GoCardless Bank Account Data vs TrueLayer](https://www.anchorterminal.com/compare/gocardless-bank-account-data-vs-truelayer.md)\n- [Plaid vs Teller](https://www.anchorterminal.com/compare/plaid-vs-teller.md)\n- [Plaid vs TrueLayer](https://www.anchorterminal.com/compare/plaid-vs-truelayer.md)\n- [Salt Edge Account Information vs Teller](https://www.anchorterminal.com/compare/salt-edge-vs-teller.md)\n- [Salt Edge Account Information vs TrueLayer](https://www.anchorterminal.com/compare/salt-edge-vs-truelayer.md)\n- [Teller vs Yapily](https://www.anchorterminal.com/compare/teller-vs-yapily.md)\n- [TrueLayer vs Yapily](https://www.anchorterminal.com/compare/truelayer-vs-yapily.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "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": "Teller vs TrueLayer", "url": "" } ], "description": "TrueLayer has a score of 62.4 (B) against Teller's 43 (E). Both do bank accounts. The largest gap is reliability, 48 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Teller E 43", "TrueLayer B 62.4", "scores" ], "h1": "Teller vs TrueLayer", "image": "https://www.anchorterminal.com/assets/og/compare-teller-vs-truelayer.png", "path": "/compare/teller-vs-truelayer", "published": "2026-10-01", "section": "tools", "title": "Teller vs TrueLayer for AI agents, E 43 vs B 62.4 | Anchor Terminal", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/teller-vs-truelayer" }, "tokens": { "markdown": 1400, "slim": 330 }, "version": 1 }