teller.io
Teller provides bank account connectivity so applications can link user financial accounts and access account, balance, identity, transaction, and payment-related data. It also offers a hosted connect flow for collecting user consent and institution credentials.
Teller exposes a REST API at https://api.teller.io/ authenticated with an access token plus Teller-issued mTLS client certificate, plus a public client-side Teller Connect JavaScript loader at https://cdn.teller.io/connect/connect.js configured with an application ID.
- Teller REST APIdiscovered
- Teller Connect JavaScript librarydiscovered
Get your client certificate from the Teller Dashboard Certificates page. Teller creates a certificate and private key when you sign up; if you no longer have teller.zip, revoke the old certificate and issue a new one from that dashboard page. Use the resulting cert.pem and private key for mTLS requests to https://api.teller.io/.
Create an access token by integrating Teller Connect. Initialize Connect with your application ID from Application Settings; when a user successfully enrolls, the onSuccess callback returns an accessToken. Send that token with HTTP Basic Auth as the username and an empty password, e.g. ACCESS_TOKEN:.
conventions · 0/8 published
- integrations.json✗
/.well-known/integrations.json - llms.txt✗
/llms.txt - API catalog✗
/.well-known/api-catalog - OpenAPI document✗
/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json - MCP server card✗
/.well-known/mcp/server-card.json - OAuth protected resource✗
/.well-known/oauth-protected-resource - Agent card✗
/.well-known/agent-card.json - Agent skills✗
/.well-known/agent-skills/index.json
Publish these signals → /publishing