Fixed Income
Providers using this tag (31)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Developing 3 Usable, with meaningful gaps to close
Thin 8 Limited public surface area
Emerging 16 Early or largely undocumented
Minimal 4 Almost no public developer surface
APIs with this tag (19)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Developing 3 Usable, with meaningful gaps to close
Bloomberg Buyside Enterprise Solutions Fixed Income APIFixed income analytics including yield, duration, and spread calculationsBloomberg EMSX Trading APIAPI for order creation, routing, management and execution monitoring through Bloomberg EMSX platform. Suppo...B3 OTC (Balcão) APIsRegistration, custody, and consultation APIs for the OTC segment - bank funding instruments (CDB, RDB, LCA,...
Thin 4 Limited public surface area
Xignite Bonds APIBond price data for fixed income securities from the bonds.xignite.com service.Bloomberg Market Data FeedReal-time and historical market data for equities, fixed income, commodities, and currencies.EDI Corporate Bonds Data APICorporate bond evaluations via the GetLatestCorporateEvaluations endpoint, documented in the catalogue as t...EDI Worldwide Fixed Income Corporate Actions APIFixed income security master and corporate actions coverage for bonds via the GetBondSecurityMaster endpoint.
Emerging 11 Early or largely undocumented
Fenics Market DataFenics Market Data (FMD) is the exclusive data distributor of BGC Group, Inc. and its affiliates. FMD provi...BGC Group (Affiliated)BGC Group, Inc. (NASDAQ: BGC) was formed in 2004 when Cantor Fitzgerald spun out its voice-brokerage busine...Cantor FitzgeraldCantor Fitzgerald, L.P. is a privately held global financial services firm founded in 1945. It is a U.S. Fe...Fenics Market Data (BGC)Fenics Market Data (FMD) is the "exclusive distributor of data for BGC Group, Inc. (NASDAQ: BGC) and its af...Bloomberg BVAL Pricing APIAccess BVAL evaluated prices, yield curves, spread data, and pricing transparency metadata for fixed income...Tradeweb Trading APIElectronic trading API for executing trades across fixed income, derivatives, and ETF markets. Supports RFQ...Bloomberg Green Bond APIAccess comprehensive green, social, sustainability, and sustainability-linked bond data including use of pr...Bloomberg Green Bond DataComprehensive data on green, social, sustainability, and sustainability-linked bonds including use of proce...Bloomberg Index Data APIAccess index constituent data, weights, analytics, total returns, and historical data for Bloomberg's famil...Bloomberg Index Data APIAccess Bloomberg index constituent data, returns, analytics, and historical data for the Bloomberg Global A...Nuveen InvestmentsNuveen is TIAA's wholly owned institutional asset management subsidiary with $1.5 trillion AUM (as of March...
Minimal 1 Almost no public developer surface
Companies reaching this through an API (6)
These companies publish an API, specification or operation carrying “Fixed Income” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.
Bloomberg APIs
Bloomberg Buyside Enterprise Solutions
Bloomberg EMSX
Bloomberg ESG Products
Bloomberg Sustainable Finance Products
TIAA-CREF
Score breakdown
Frequency
46.3
log-scaled weighted occurrences
Breadth
0.9
spread across providers
Quality lift
25.4
mean composite of providers using it
Cohesion
6.0
strength of nearest seed neighbor
Related tags
Bonds 7 co-occurrences
Bloomberg 6 co-occurrences
Equities 5 co-occurrences
Mutual Funds 5 co-occurrences
Capital Markets 9 co-occurrences
ETFs 5 co-occurrences
Market Data 18 co-occurrences
Derivatives 5 co-occurrences
Where this tag comes from
Provider tag31
Api tag19
Openapi tag1
Openapi op tag2
Cohort brief
Auto-generatedThe 31 providers in the APIs.io catalog tagged Fixed Income, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
31
all scored
Mean Kin Score
22.4
-1.5 vs catalog 23.9
Mean Agent Readiness
8.4
-3.6 vs catalog 12
Spread
2.2–42
median 20.8 · σ 11
How the 31 split by band
Exemplar 0Strong 0Developing 3Thin 8Emerging 16Minimal 4
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Discoverability | 63.4 | 61.2 | +2.2 | 31 |
| Developer Ergonomics | 25.1 | 23.4 | +1.7 | 31 |
| Access Clarity | 27.1 | 26.5 | +0.6 | 31 |
| Contract Governance | 6.2 | 6.4 | -0.2 | 31 |
| Operational Transparency | 9.3 | 14 | -4.7 | 31 |
| Contract Quality | 14.1 | 19.8 | -5.7 | 31 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 0% | 10% | -10 |
| MCP server (first-party) | 6% | 13% | -7 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 6% | 11% | -5 |
| Security | 100% | 97% | +3 |
| Arazzo workflows | 0% | 2% | -2 |
| Governance rules | 6% | 14% | -8 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 B3 (Brasil Bolsa Balcão) 42
- 2 DriveWealth 41.9
- 3 Bitvore 40.9
- 4 Xignite 39
- 5 Origin 38.9
- 6 Firstrade 36.3
- 7 Timeswap 32.9
- 8 Sense Street 30.2
- 9 Exchange Data International 27
- 10 Opentrade 27
Top by Agent Readiness
- 1 DriveWealth 37.1
- 2 Bitvore 26.4
- 3 Moment 26.1
- 4 Origin 25.8
- 5 Xignite 24.4
- 6 Timeswap 22.1
- 7 Firstrade 21.5
- 8 B3 (Brasil Bolsa Balcão) 19.2
- 9 The Vanguard Group 12.9
- 10 Sense Street 10.8
All 31 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
15 September 2026, across 27661
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.